| // Copyright 2014 The PDFium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/fxcrt/bytestring.h" |
| |
| #include <limits.h> |
| |
| #include <algorithm> |
| #include <functional> |
| #include <iterator> |
| #include <set> |
| #include <vector> |
| |
| #include "core/fxcrt/fx_string.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/base/containers/contains.h" |
| #include "third_party/base/span.h" |
| |
| namespace fxcrt { |
| |
| TEST(ByteString, ElementAccess) { |
| const ByteString abc("abc"); |
| EXPECT_EQ('a', abc[0]); |
| EXPECT_EQ('b', abc[1]); |
| EXPECT_EQ('c', abc[2]); |
| #ifndef NDEBUG |
| EXPECT_DEATH({ abc[3]; }, ".*"); |
| #endif |
| |
| pdfium::span<const char> abc_span = abc.span(); |
| EXPECT_EQ(3u, abc_span.size()); |
| EXPECT_EQ(0, memcmp(abc_span.data(), "abc", 3)); |
| |
| pdfium::span<const uint8_t> abc_raw_span = abc.raw_span(); |
| EXPECT_EQ(3u, abc_raw_span.size()); |
| EXPECT_EQ(0, memcmp(abc_raw_span.data(), "abc", 3)); |
| |
| ByteString mutable_abc = abc; |
| EXPECT_EQ(abc.c_str(), mutable_abc.c_str()); |
| EXPECT_EQ('a', mutable_abc[0]); |
| EXPECT_EQ('b', mutable_abc[1]); |
| EXPECT_EQ('c', mutable_abc[2]); |
| EXPECT_EQ(abc.c_str(), mutable_abc.c_str()); |
| EXPECT_EQ("abc", abc); |
| |
| const char* c_str = abc.c_str(); |
| mutable_abc.SetAt(0, 'd'); |
| EXPECT_EQ(c_str, abc.c_str()); |
| EXPECT_NE(c_str, mutable_abc.c_str()); |
| EXPECT_EQ("abc", abc); |
| EXPECT_EQ("dbc", mutable_abc); |
| |
| mutable_abc.SetAt(1, 'e'); |
| EXPECT_EQ("abc", abc); |
| EXPECT_EQ("dec", mutable_abc); |
| |
| mutable_abc.SetAt(2, 'f'); |
| EXPECT_EQ("abc", abc); |
| EXPECT_EQ("def", mutable_abc); |
| #ifndef NDEBUG |
| EXPECT_DEATH({ mutable_abc.SetAt(3, 'g'); }, ".*"); |
| EXPECT_EQ("abc", abc); |
| #endif |
| } |
| |
| TEST(ByteString, Construct) { |
| { |
| // Copy-construct. |
| ByteString string1("abc"); |
| ByteString string2(string1); |
| EXPECT_EQ("abc", string1); |
| EXPECT_EQ("abc", string2); |
| EXPECT_EQ(2, string1.ReferenceCountForTesting()); |
| EXPECT_EQ(2, string2.ReferenceCountForTesting()); |
| } |
| { |
| // Move-construct. |
| ByteString string1("abc"); |
| ByteString string2(std::move(string1)); |
| EXPECT_TRUE(string1.IsEmpty()); |
| EXPECT_EQ("abc", string2); |
| EXPECT_EQ(0, string1.ReferenceCountForTesting()); |
| EXPECT_EQ(1, string2.ReferenceCountForTesting()); |
| } |
| } |
| |
| TEST(ByteString, Assign) { |
| { |
| // Copy-assign. |
| ByteString string1; |
| EXPECT_EQ(0, string1.ReferenceCountForTesting()); |
| { |
| ByteString string2("abc"); |
| EXPECT_EQ(1, string2.ReferenceCountForTesting()); |
| |
| string1 = string2; |
| EXPECT_EQ(2, string1.ReferenceCountForTesting()); |
| EXPECT_EQ(2, string2.ReferenceCountForTesting()); |
| } |
| EXPECT_EQ(1, string1.ReferenceCountForTesting()); |
| } |
| { |
| // Move-assign. |
| ByteString string1; |
| EXPECT_EQ(0, string1.ReferenceCountForTesting()); |
| { |
| ByteString string2("abc"); |
| EXPECT_EQ(1, string2.ReferenceCountForTesting()); |
| |
| string1 = std::move(string2); |
| EXPECT_EQ("abc", string1); |
| EXPECT_TRUE(string2.IsEmpty()); |
| EXPECT_EQ(1, string1.ReferenceCountForTesting()); |
| EXPECT_EQ(0, string2.ReferenceCountForTesting()); |
| } |
| EXPECT_EQ(1, string1.ReferenceCountForTesting()); |
| } |
| { |
| // From char*. |
| ByteString string1 = "abc"; |
| EXPECT_EQ("abc", string1); |
| string1 = nullptr; |
| EXPECT_TRUE(string1.IsEmpty()); |
| string1 = "def"; |
| EXPECT_EQ("def", string1); |
| string1 = ""; |
| EXPECT_TRUE(string1.IsEmpty()); |
| } |
| { |
| // From ByteStringView. |
| ByteString string1(ByteStringView("abc")); |
| EXPECT_EQ("abc", string1); |
| string1 = ByteStringView(""); |
| EXPECT_TRUE(string1.IsEmpty()); |
| string1 = ByteStringView("def"); |
| EXPECT_EQ("def", string1); |
| } |
| } |
| |
| TEST(ByteString, OperatorLT) { |
| ByteString empty; |
| ByteString a("a"); |
| ByteString abc("abc"); |
| ByteString def("def"); |
| ByteStringView v_empty; |
| ByteStringView v_a("a"); |
| ByteStringView v_abc("abc"); |
| ByteStringView v_def("def"); |
| const char* const c_null = nullptr; |
| const char* const c_empty = ""; |
| const char* const c_a = "a"; |
| const char* const c_abc = "abc"; |
| const char* const c_def = "def"; |
| |
| EXPECT_FALSE(empty < empty); |
| EXPECT_FALSE(a < a); |
| EXPECT_FALSE(abc < abc); |
| EXPECT_FALSE(def < def); |
| EXPECT_FALSE(c_null < empty); |
| EXPECT_FALSE(c_empty < empty); |
| EXPECT_FALSE(c_a < a); |
| EXPECT_FALSE(c_abc < abc); |
| EXPECT_FALSE(c_def < def); |
| EXPECT_FALSE(empty < c_null); |
| EXPECT_FALSE(empty < c_empty); |
| EXPECT_FALSE(a < c_a); |
| EXPECT_FALSE(abc < c_abc); |
| EXPECT_FALSE(def < c_def); |
| EXPECT_FALSE(empty < v_empty); |
| EXPECT_FALSE(a < v_a); |
| EXPECT_FALSE(abc < v_abc); |
| EXPECT_FALSE(def < v_def); |
| |
| EXPECT_TRUE(empty < a); |
| EXPECT_FALSE(a < empty); |
| EXPECT_TRUE(c_null < a); |
| EXPECT_TRUE(c_empty < a); |
| EXPECT_FALSE(c_a < empty); |
| EXPECT_TRUE(empty < c_a); |
| EXPECT_FALSE(a < c_null); |
| EXPECT_FALSE(a < c_empty); |
| EXPECT_TRUE(empty < v_a); |
| EXPECT_FALSE(a < v_empty); |
| |
| EXPECT_TRUE(empty < abc); |
| EXPECT_FALSE(abc < empty); |
| EXPECT_TRUE(c_null < abc); |
| EXPECT_TRUE(c_empty < abc); |
| EXPECT_FALSE(c_abc < empty); |
| EXPECT_TRUE(empty < c_abc); |
| EXPECT_FALSE(abc < c_null); |
| EXPECT_FALSE(abc < c_empty); |
| EXPECT_TRUE(empty < v_abc); |
| EXPECT_FALSE(abc < v_empty); |
| |
| EXPECT_TRUE(empty < def); |
| EXPECT_FALSE(def < empty); |
| EXPECT_TRUE(c_null < def); |
| EXPECT_TRUE(c_empty < def); |
| EXPECT_FALSE(c_def < empty); |
| EXPECT_TRUE(empty < c_def); |
| EXPECT_FALSE(def < c_null); |
| EXPECT_FALSE(def < c_empty); |
| EXPECT_TRUE(empty < v_def); |
| EXPECT_FALSE(def < v_empty); |
| |
| EXPECT_TRUE(a < abc); |
| EXPECT_FALSE(abc < a); |
| EXPECT_TRUE(c_a < abc); |
| EXPECT_FALSE(c_abc < a); |
| EXPECT_TRUE(a < c_abc); |
| EXPECT_FALSE(abc < c_a); |
| EXPECT_TRUE(a < v_abc); |
| EXPECT_FALSE(abc < v_a); |
| |
| EXPECT_TRUE(a < def); |
| EXPECT_FALSE(def < a); |
| EXPECT_TRUE(c_a < def); |
| EXPECT_FALSE(c_def < a); |
| EXPECT_TRUE(a < c_def); |
| EXPECT_FALSE(def < c_a); |
| EXPECT_TRUE(a < v_def); |
| EXPECT_FALSE(def < v_a); |
| |
| EXPECT_TRUE(abc < def); |
| EXPECT_FALSE(def < abc); |
| EXPECT_TRUE(c_abc < def); |
| EXPECT_FALSE(c_def < abc); |
| EXPECT_TRUE(abc < c_def); |
| EXPECT_FALSE(def < c_abc); |
| EXPECT_TRUE(abc < v_def); |
| EXPECT_FALSE(def < v_abc); |
| |
| EXPECT_TRUE(v_empty < a); |
| EXPECT_TRUE(v_empty < c_a); |
| |
| std::set<ByteString, std::less<>> str_set; |
| bool inserted = str_set.insert(ByteString("hello")).second; |
| ASSERT_TRUE(inserted); |
| EXPECT_TRUE(pdfium::Contains(str_set, ByteString("hello"))); |
| EXPECT_TRUE(pdfium::Contains(str_set, ByteStringView("hello"))); |
| EXPECT_TRUE(pdfium::Contains(str_set, "hello")); |
| EXPECT_FALSE(pdfium::Contains(str_set, ByteString("goodbye"))); |
| EXPECT_FALSE(pdfium::Contains(str_set, ByteStringView("goodbye"))); |
| EXPECT_FALSE(pdfium::Contains(str_set, "goodbye")); |
| } |
| |
| TEST(ByteString, OperatorEQ) { |
| ByteString null_string; |
| EXPECT_TRUE(null_string == null_string); |
| |
| ByteString empty_string(""); |
| EXPECT_TRUE(empty_string == empty_string); |
| EXPECT_TRUE(empty_string == null_string); |
| EXPECT_TRUE(null_string == empty_string); |
| |
| ByteString deleted_string("hello"); |
| deleted_string.Delete(0, 5); |
| EXPECT_TRUE(deleted_string == deleted_string); |
| EXPECT_TRUE(deleted_string == null_string); |
| EXPECT_TRUE(deleted_string == empty_string); |
| EXPECT_TRUE(null_string == deleted_string); |
| EXPECT_TRUE(empty_string == deleted_string); |
| |
| ByteString byte_string("hello"); |
| EXPECT_TRUE(byte_string == byte_string); |
| EXPECT_FALSE(byte_string == null_string); |
| EXPECT_FALSE(byte_string == empty_string); |
| EXPECT_FALSE(byte_string == deleted_string); |
| EXPECT_FALSE(null_string == byte_string); |
| EXPECT_FALSE(empty_string == byte_string); |
| EXPECT_FALSE(deleted_string == byte_string); |
| |
| ByteString byte_string_same1("hello"); |
| EXPECT_TRUE(byte_string == byte_string_same1); |
| EXPECT_TRUE(byte_string_same1 == byte_string); |
| |
| ByteString byte_string_same2(byte_string); |
| EXPECT_TRUE(byte_string == byte_string_same2); |
| EXPECT_TRUE(byte_string_same2 == byte_string); |
| |
| ByteString byte_string1("he"); |
| ByteString byte_string2("hellp"); |
| ByteString byte_string3("hellod"); |
| EXPECT_FALSE(byte_string == byte_string1); |
| EXPECT_FALSE(byte_string == byte_string2); |
| EXPECT_FALSE(byte_string == byte_string3); |
| EXPECT_FALSE(byte_string1 == byte_string); |
| EXPECT_FALSE(byte_string2 == byte_string); |
| EXPECT_FALSE(byte_string3 == byte_string); |
| |
| ByteStringView null_string_c; |
| ByteStringView empty_string_c(""); |
| EXPECT_TRUE(null_string == null_string_c); |
| EXPECT_TRUE(null_string == empty_string_c); |
| EXPECT_TRUE(empty_string == null_string_c); |
| EXPECT_TRUE(empty_string == empty_string_c); |
| EXPECT_TRUE(deleted_string == null_string_c); |
| EXPECT_TRUE(deleted_string == empty_string_c); |
| EXPECT_TRUE(null_string_c == null_string); |
| EXPECT_TRUE(empty_string_c == null_string); |
| EXPECT_TRUE(null_string_c == empty_string); |
| EXPECT_TRUE(empty_string_c == empty_string); |
| EXPECT_TRUE(null_string_c == deleted_string); |
| EXPECT_TRUE(empty_string_c == deleted_string); |
| |
| ByteStringView byte_string_c_same1("hello"); |
| EXPECT_TRUE(byte_string == byte_string_c_same1); |
| EXPECT_TRUE(byte_string_c_same1 == byte_string); |
| |
| ByteStringView byte_string_c1("he"); |
| ByteStringView byte_string_c2("hellp"); |
| ByteStringView byte_string_c3("hellod"); |
| EXPECT_FALSE(byte_string == byte_string_c1); |
| EXPECT_FALSE(byte_string == byte_string_c2); |
| EXPECT_FALSE(byte_string == byte_string_c3); |
| EXPECT_FALSE(byte_string_c1 == byte_string); |
| EXPECT_FALSE(byte_string_c2 == byte_string); |
| EXPECT_FALSE(byte_string_c3 == byte_string); |
| |
| const char* const c_null_string = nullptr; |
| const char* const c_empty_string = ""; |
| EXPECT_TRUE(null_string == c_null_string); |
| EXPECT_TRUE(null_string == c_empty_string); |
| EXPECT_TRUE(empty_string == c_null_string); |
| EXPECT_TRUE(empty_string == c_empty_string); |
| EXPECT_TRUE(deleted_string == c_null_string); |
| EXPECT_TRUE(deleted_string == c_empty_string); |
| EXPECT_TRUE(c_null_string == null_string); |
| EXPECT_TRUE(c_empty_string == null_string); |
| EXPECT_TRUE(c_null_string == empty_string); |
| EXPECT_TRUE(c_empty_string == empty_string); |
| EXPECT_TRUE(c_null_string == deleted_string); |
| EXPECT_TRUE(c_empty_string == deleted_string); |
| |
| const char* const c_string_same1 = "hello"; |
| EXPECT_TRUE(byte_string == c_string_same1); |
| EXPECT_TRUE(c_string_same1 == byte_string); |
| |
| const char* const c_string1 = "he"; |
| const char* const c_string2 = "hellp"; |
| const char* const c_string3 = "hellod"; |
| EXPECT_FALSE(byte_string == c_string1); |
| EXPECT_FALSE(byte_string == c_string2); |
| EXPECT_FALSE(byte_string == c_string3); |
| EXPECT_FALSE(c_string1 == byte_string); |
| EXPECT_FALSE(c_string2 == byte_string); |
| EXPECT_FALSE(c_string3 == byte_string); |
| } |
| |
| TEST(ByteString, OperatorNE) { |
| ByteString null_string; |
| EXPECT_FALSE(null_string != null_string); |
| |
| ByteString empty_string(""); |
| EXPECT_FALSE(empty_string != empty_string); |
| EXPECT_FALSE(empty_string != null_string); |
| EXPECT_FALSE(null_string != empty_string); |
| |
| ByteString deleted_string("hello"); |
| deleted_string.Delete(0, 5); |
| EXPECT_FALSE(deleted_string != deleted_string); |
| EXPECT_FALSE(deleted_string != null_string); |
| EXPECT_FALSE(deleted_string != empty_string); |
| EXPECT_FALSE(deleted_string != deleted_string); |
| EXPECT_FALSE(null_string != deleted_string); |
| EXPECT_FALSE(empty_string != deleted_string); |
| EXPECT_FALSE(deleted_string != deleted_string); |
| |
| ByteString byte_string("hello"); |
| EXPECT_FALSE(byte_string != byte_string); |
| EXPECT_TRUE(byte_string != null_string); |
| EXPECT_TRUE(byte_string != empty_string); |
| EXPECT_TRUE(byte_string != deleted_string); |
| EXPECT_TRUE(null_string != byte_string); |
| EXPECT_TRUE(empty_string != byte_string); |
| EXPECT_TRUE(deleted_string != byte_string); |
| |
| ByteString byte_string_same1("hello"); |
| EXPECT_FALSE(byte_string != byte_string_same1); |
| EXPECT_FALSE(byte_string_same1 != byte_string); |
| |
| ByteString byte_string_same2(byte_string); |
| EXPECT_FALSE(byte_string != byte_string_same2); |
| EXPECT_FALSE(byte_string_same2 != byte_string); |
| |
| ByteString byte_string1("he"); |
| ByteString byte_string2("hellp"); |
| ByteString byte_string3("hellod"); |
| EXPECT_TRUE(byte_string != byte_string1); |
| EXPECT_TRUE(byte_string != byte_string2); |
| EXPECT_TRUE(byte_string != byte_string3); |
| EXPECT_TRUE(byte_string1 != byte_string); |
| EXPECT_TRUE(byte_string2 != byte_string); |
| EXPECT_TRUE(byte_string3 != byte_string); |
| |
| ByteStringView null_string_c; |
| ByteStringView empty_string_c(""); |
| EXPECT_FALSE(null_string != null_string_c); |
| EXPECT_FALSE(null_string != empty_string_c); |
| EXPECT_FALSE(empty_string != null_string_c); |
| EXPECT_FALSE(empty_string != empty_string_c); |
| EXPECT_FALSE(null_string_c != null_string); |
| EXPECT_FALSE(empty_string_c != null_string); |
| EXPECT_FALSE(null_string_c != empty_string); |
| EXPECT_FALSE(empty_string_c != empty_string); |
| |
| ByteStringView byte_string_c_same1("hello"); |
| EXPECT_FALSE(byte_string != byte_string_c_same1); |
| EXPECT_FALSE(byte_string_c_same1 != byte_string); |
| |
| ByteStringView byte_string_c1("he"); |
| ByteStringView byte_string_c2("hellp"); |
| ByteStringView byte_string_c3("hellod"); |
| EXPECT_TRUE(byte_string != byte_string_c1); |
| EXPECT_TRUE(byte_string != byte_string_c2); |
| EXPECT_TRUE(byte_string != byte_string_c3); |
| EXPECT_TRUE(byte_string_c1 != byte_string); |
| EXPECT_TRUE(byte_string_c2 != byte_string); |
| EXPECT_TRUE(byte_string_c3 != byte_string); |
| |
| const char* const c_null_string = nullptr; |
| const char* const c_empty_string = ""; |
| EXPECT_FALSE(null_string != c_null_string); |
| EXPECT_FALSE(null_string != c_empty_string); |
| EXPECT_FALSE(empty_string != c_null_string); |
| EXPECT_FALSE(empty_string != c_empty_string); |
| EXPECT_FALSE(deleted_string != c_null_string); |
| EXPECT_FALSE(deleted_string != c_empty_string); |
| EXPECT_FALSE(c_null_string != null_string); |
| EXPECT_FALSE(c_empty_string != null_string); |
| EXPECT_FALSE(c_null_string != empty_string); |
| EXPECT_FALSE(c_empty_string != empty_string); |
| EXPECT_FALSE(c_null_string != deleted_string); |
| EXPECT_FALSE(c_empty_string != deleted_string); |
| |
| const char* const c_string_same1 = "hello"; |
| EXPECT_FALSE(byte_string != c_string_same1); |
| EXPECT_FALSE(c_string_same1 != byte_string); |
| |
| const char* const c_string1 = "he"; |
| const char* const c_string2 = "hellp"; |
| const char* const c_string3 = "hellod"; |
| EXPECT_TRUE(byte_string != c_string1); |
| EXPECT_TRUE(byte_string != c_string2); |
| EXPECT_TRUE(byte_string != c_string3); |
| EXPECT_TRUE(c_string1 != byte_string); |
| EXPECT_TRUE(c_string2 != byte_string); |
| EXPECT_TRUE(c_string3 != byte_string); |
| } |
| |
| TEST(ByteString, OperatorPlus) { |
| EXPECT_EQ("I like dogs", "I like " + ByteString("dogs")); |
| EXPECT_EQ("Dogs like me", ByteString("Dogs") + " like me"); |
| EXPECT_EQ("Oh no, error number 42", |
| "Oh no, error number " + ByteString::Format("%d", 42)); |
| |
| { |
| // Make sure operator+= and Concat() increases string memory allocation |
| // geometrically. |
| int allocations = 0; |
| ByteString str("ABCDEFGHIJKLMN"); |
| const char* buffer = str.c_str(); |
| for (size_t i = 0; i < 10000; ++i) { |
| str += "!"; |
| const char* new_buffer = str.c_str(); |
| if (new_buffer != buffer) { |
| buffer = new_buffer; |
| ++allocations; |
| } |
| } |
| EXPECT_LT(allocations, 25); |
| EXPECT_GT(allocations, 10); |
| } |
| } |
| |
| TEST(ByteString, Concat) { |
| ByteString fred; |
| fred.Concat("FRED", 4); |
| EXPECT_EQ("FRED", fred); |
| |
| fred.Concat("DY", 2); |
| EXPECT_EQ("FREDDY", fred); |
| |
| fred.Delete(3, 3); |
| EXPECT_EQ("FRE", fred); |
| |
| fred.Concat("D", 1); |
| EXPECT_EQ("FRED", fred); |
| |
| ByteString copy = fred; |
| fred.Concat("DY", 2); |
| EXPECT_EQ("FREDDY", fred); |
| EXPECT_EQ("FRED", copy); |
| } |
| |
| TEST(ByteString, Remove) { |
| ByteString freed("FREED"); |
| freed.Remove('E'); |
| EXPECT_EQ("FRD", freed); |
| freed.Remove('F'); |
| EXPECT_EQ("RD", freed); |
| freed.Remove('D'); |
| EXPECT_EQ("R", freed); |
| freed.Remove('X'); |
| EXPECT_EQ("R", freed); |
| freed.Remove('R'); |
| EXPECT_EQ("", freed); |
| |
| ByteString empty; |
| empty.Remove('X'); |
| EXPECT_EQ("", empty); |
| } |
| |
| TEST(ByteString, RemoveCopies) { |
| ByteString freed("FREED"); |
| const char* old_buffer = freed.c_str(); |
| |
| // No change with single reference - no copy. |
| freed.Remove('Q'); |
| EXPECT_EQ("FREED", freed); |
| EXPECT_EQ(old_buffer, freed.c_str()); |
| |
| // Change with single reference - no copy. |
| freed.Remove('E'); |
| EXPECT_EQ("FRD", freed); |
| EXPECT_EQ(old_buffer, freed.c_str()); |
| |
| // No change with multiple references - no copy. |
| ByteString shared(freed); |
| freed.Remove('Q'); |
| EXPECT_EQ("FRD", freed); |
| EXPECT_EQ(old_buffer, freed.c_str()); |
| EXPECT_EQ(old_buffer, shared.c_str()); |
| |
| // Change with multiple references -- must copy. |
| freed.Remove('D'); |
| EXPECT_EQ("FR", freed); |
| EXPECT_NE(old_buffer, freed.c_str()); |
| EXPECT_EQ("FRD", shared); |
| EXPECT_EQ(old_buffer, shared.c_str()); |
| } |
| |
| TEST(ByteString, Replace) { |
| ByteString empty; |
| empty.Replace("", "CLAMS"); |
| empty.Replace("xx", "CLAMS"); |
| EXPECT_EQ("", empty); |
| |
| ByteString fred("FRED"); |
| fred.Replace("", ""); |
| EXPECT_EQ("FRED", fred); |
| fred.Replace("", "CLAMS"); |
| EXPECT_EQ("FRED", fred); |
| fred.Replace("FR", "BL"); |
| EXPECT_EQ("BLED", fred); |
| fred.Replace("D", "DDY"); |
| EXPECT_EQ("BLEDDY", fred); |
| fred.Replace("LEDD", ""); |
| EXPECT_EQ("BY", fred); |
| fred.Replace("X", "CLAMS"); |
| EXPECT_EQ("BY", fred); |
| fred.Replace("BY", "HI"); |
| EXPECT_EQ("HI", fred); |
| fred.Replace("I", "IHIHI"); |
| EXPECT_EQ("HIHIHI", fred); |
| fred.Replace("HI", "HO"); |
| EXPECT_EQ("HOHOHO", fred); |
| fred.Replace("HO", ""); |
| EXPECT_EQ("", fred); |
| |
| ByteString five_xs("xxxxx"); |
| five_xs.Replace("xx", "xxx"); |
| EXPECT_EQ("xxxxxxx", five_xs); |
| |
| ByteString five_ys("yyyyy"); |
| five_ys.Replace("yy", "y"); |
| EXPECT_EQ("yyy", five_ys); |
| } |
| |
| TEST(ByteString, Insert) { |
| ByteString fred("FRED"); |
| EXPECT_EQ(5u, fred.Insert(0, 'S')); |
| EXPECT_EQ("SFRED", fred); |
| EXPECT_EQ(6u, fred.Insert(1, 'T')); |
| EXPECT_EQ("STFRED", fred); |
| EXPECT_EQ(7u, fred.Insert(4, 'U')); |
| EXPECT_EQ("STFRUED", fred); |
| EXPECT_EQ(8u, fred.Insert(7, 'V')); |
| EXPECT_EQ("STFRUEDV", fred); |
| EXPECT_EQ(8u, fred.Insert(12, 'P')); |
| EXPECT_EQ("STFRUEDV", fred); |
| { |
| ByteString empty; |
| EXPECT_EQ(1u, empty.Insert(0, 'X')); |
| EXPECT_EQ("X", empty); |
| } |
| { |
| ByteString empty; |
| EXPECT_EQ(0u, empty.Insert(5, 'X')); |
| EXPECT_NE("X", empty); |
| } |
| } |
| |
| TEST(ByteString, InsertAtFrontAndInsertAtBack) { |
| { |
| ByteString empty; |
| EXPECT_EQ(1u, empty.InsertAtFront('D')); |
| EXPECT_EQ("D", empty); |
| EXPECT_EQ(2u, empty.InsertAtFront('E')); |
| EXPECT_EQ("ED", empty); |
| EXPECT_EQ(3u, empty.InsertAtFront('R')); |
| EXPECT_EQ("RED", empty); |
| EXPECT_EQ(4u, empty.InsertAtFront('F')); |
| EXPECT_EQ("FRED", empty); |
| } |
| { |
| ByteString empty; |
| EXPECT_EQ(1u, empty.InsertAtBack('F')); |
| EXPECT_EQ("F", empty); |
| EXPECT_EQ(2u, empty.InsertAtBack('R')); |
| EXPECT_EQ("FR", empty); |
| EXPECT_EQ(3u, empty.InsertAtBack('E')); |
| EXPECT_EQ("FRE", empty); |
| EXPECT_EQ(4u, empty.InsertAtBack('D')); |
| EXPECT_EQ("FRED", empty); |
| } |
| { |
| ByteString empty; |
| EXPECT_EQ(1u, empty.InsertAtBack('E')); |
| EXPECT_EQ("E", empty); |
| EXPECT_EQ(2u, empty.InsertAtFront('R')); |
| EXPECT_EQ("RE", empty); |
| EXPECT_EQ(3u, empty.InsertAtBack('D')); |
| EXPECT_EQ("RED", empty); |
| EXPECT_EQ(4u, empty.InsertAtFront('F')); |
| EXPECT_EQ("FRED", empty); |
| } |
| } |
| |
| TEST(ByteString, Delete) { |
| ByteString fred("FRED"); |
| EXPECT_EQ(4u, fred.Delete(0, 0)); |
| EXPECT_EQ("FRED", fred); |
| EXPECT_EQ(2u, fred.Delete(0, 2)); |
| EXPECT_EQ("ED", fred); |
| EXPECT_EQ(1u, fred.Delete(1)); |
| EXPECT_EQ("E", fred); |
| EXPECT_EQ(0u, fred.Delete(0)); |
| EXPECT_EQ("", fred); |
| EXPECT_EQ(0u, fred.Delete(0)); |
| EXPECT_EQ("", fred); |
| |
| ByteString empty; |
| EXPECT_EQ(0u, empty.Delete(0)); |
| EXPECT_EQ("", empty); |
| EXPECT_EQ(0u, empty.Delete(1)); |
| EXPECT_EQ("", empty); |
| } |
| |
| TEST(ByteString, OneArgSubstr) { |
| ByteString fred("FRED"); |
| EXPECT_EQ("FRED", fred.Substr(0)); |
| EXPECT_EQ("RED", fred.Substr(1)); |
| EXPECT_EQ("ED", fred.Substr(2)); |
| EXPECT_EQ("D", fred.Substr(3)); |
| EXPECT_EQ("", fred.Substr(4)); |
| |
| ByteString empty; |
| EXPECT_EQ("", empty.Substr(0)); |
| EXPECT_EQ("", empty.Substr(1)); |
| } |
| |
| TEST(ByteString, TwoArgSubstr) { |
| ByteString fred("FRED"); |
| EXPECT_EQ("", fred.Substr(0, 0)); |
| EXPECT_EQ("", fred.Substr(3, 0)); |
| EXPECT_EQ("FRED", fred.Substr(0, 4)); |
| EXPECT_EQ("RED", fred.Substr(1, 3)); |
| EXPECT_EQ("ED", fred.Substr(2, 2)); |
| EXPECT_EQ("D", fred.Substr(3, 1)); |
| EXPECT_EQ("F", fred.Substr(0, 1)); |
| EXPECT_EQ("R", fred.Substr(1, 1)); |
| EXPECT_EQ("E", fred.Substr(2, 1)); |
| EXPECT_EQ("D", fred.Substr(3, 1)); |
| EXPECT_EQ("FR", fred.Substr(0, 2)); |
| EXPECT_EQ("FRED", fred.Substr(0, 4)); |
| EXPECT_EQ("", fred.Substr(0, 10)); |
| |
| EXPECT_EQ("RED", fred.Substr(1, 3)); |
| EXPECT_EQ("", fred.Substr(4, 1)); |
| |
| ByteString empty; |
| EXPECT_EQ("", empty.Substr(0, 0)); |
| } |
| |
| TEST(ByteString, First) { |
| ByteString fred("FRED"); |
| EXPECT_EQ("", fred.First(0)); |
| EXPECT_EQ("F", fred.First(1)); |
| EXPECT_EQ("FR", fred.First(2)); |
| EXPECT_EQ("FRE", fred.First(3)); |
| EXPECT_EQ("FRED", fred.First(4)); |
| |
| EXPECT_EQ("", fred.First(5)); |
| |
| ByteString empty; |
| EXPECT_EQ("", empty.First(0)); |
| EXPECT_EQ("", empty.First(1)); |
| } |
| |
| TEST(ByteString, Last) { |
| ByteString fred("FRED"); |
| EXPECT_EQ("", fred.Last(0)); |
| EXPECT_EQ("D", fred.Last(1)); |
| EXPECT_EQ("ED", fred.Last(2)); |
| EXPECT_EQ("RED", fred.Last(3)); |
| EXPECT_EQ("FRED", fred.Last(4)); |
| |
| EXPECT_EQ("", fred.Last(5)); |
| |
| ByteString empty; |
| EXPECT_EQ("", empty.Last(0)); |
| EXPECT_EQ("", empty.Last(1)); |
| } |
| |
| TEST(ByteString, Find) { |
| ByteString null_string; |
| EXPECT_FALSE(null_string.Find('a').has_value()); |
| EXPECT_FALSE(null_string.Find('\0').has_value()); |
| |
| ByteString empty_string(""); |
| EXPECT_FALSE(empty_string.Find('a').has_value()); |
| EXPECT_FALSE(empty_string.Find('\0').has_value()); |
| |
| ByteString single_string("a"); |
| absl::optional<size_t> result = single_string.Find('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| EXPECT_FALSE(single_string.Find('b').has_value()); |
| EXPECT_FALSE(single_string.Find('\0').has_value()); |
| |
| ByteString longer_string("abccc"); |
| result = longer_string.Find('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| result = longer_string.Find('c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| result = longer_string.Find('c', 3); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(3u, result.value()); |
| EXPECT_FALSE(longer_string.Find('d').has_value()); |
| EXPECT_FALSE(longer_string.Find('\0').has_value()); |
| |
| result = longer_string.Find("ab"); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| result = longer_string.Find("ccc"); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| result = longer_string.Find("cc", 3); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(3u, result.value()); |
| EXPECT_FALSE(longer_string.Find("d").has_value()); |
| |
| ByteString hibyte_string( |
| "ab\x8c" |
| "def"); |
| result = hibyte_string.Find('\x8c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| } |
| |
| TEST(ByteString, ReverseFind) { |
| ByteString null_string; |
| EXPECT_FALSE(null_string.ReverseFind('a').has_value()); |
| EXPECT_FALSE(null_string.ReverseFind('\0').has_value()); |
| |
| ByteString empty_string(""); |
| EXPECT_FALSE(empty_string.ReverseFind('a').has_value()); |
| EXPECT_FALSE(empty_string.ReverseFind('\0').has_value()); |
| |
| ByteString single_string("a"); |
| absl::optional<size_t> result = single_string.ReverseFind('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| EXPECT_FALSE(single_string.ReverseFind('b').has_value()); |
| EXPECT_FALSE(single_string.ReverseFind('\0').has_value()); |
| |
| ByteString longer_string("abccc"); |
| result = longer_string.ReverseFind('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| result = longer_string.ReverseFind('c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(4u, result.value()); |
| EXPECT_FALSE(longer_string.ReverseFind('\0').has_value()); |
| |
| ByteString hibyte_string( |
| "ab\x8c" |
| "def"); |
| result = hibyte_string.ReverseFind('\x8c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| } |
| |
| TEST(ByteString, UpperLower) { |
| ByteString fred("F-Re.42D"); |
| fred.MakeLower(); |
| EXPECT_EQ("f-re.42d", fred); |
| fred.MakeUpper(); |
| EXPECT_EQ("F-RE.42D", fred); |
| |
| ByteString empty; |
| empty.MakeLower(); |
| EXPECT_EQ("", empty); |
| empty.MakeUpper(); |
| EXPECT_EQ("", empty); |
| |
| ByteString empty_with_buffer("x"); |
| empty_with_buffer.Delete(0); |
| |
| ByteString additional_empty_with_buffer_ref = empty_with_buffer; |
| additional_empty_with_buffer_ref.MakeLower(); |
| EXPECT_EQ("", additional_empty_with_buffer_ref); |
| |
| additional_empty_with_buffer_ref = empty_with_buffer; |
| additional_empty_with_buffer_ref.MakeUpper(); |
| EXPECT_EQ("", additional_empty_with_buffer_ref); |
| } |
| |
| TEST(ByteString, Trim) { |
| ByteString fred(" FRED "); |
| fred.Trim(); |
| EXPECT_EQ("FRED", fred); |
| fred.Trim('E'); |
| EXPECT_EQ("FRED", fred); |
| fred.Trim('F'); |
| EXPECT_EQ("RED", fred); |
| fred.Trim("ERP"); |
| EXPECT_EQ("D", fred); |
| |
| ByteString blank(" "); |
| blank.Trim("ERP"); |
| EXPECT_EQ(" ", blank); |
| blank.Trim('E'); |
| EXPECT_EQ(" ", blank); |
| blank.Trim(); |
| EXPECT_EQ("", blank); |
| |
| ByteString empty; |
| empty.Trim("ERP"); |
| EXPECT_EQ("", empty); |
| empty.Trim('E'); |
| EXPECT_EQ("", empty); |
| empty.Trim(); |
| EXPECT_EQ("", empty); |
| |
| ByteString abc(" ABCCBA "); |
| abc.Trim("A"); |
| EXPECT_EQ(" ABCCBA ", abc); |
| abc.Trim(" A"); |
| EXPECT_EQ("BCCB", abc); |
| } |
| |
| TEST(ByteString, TrimLeft) { |
| ByteString fred(" FRED "); |
| fred.TrimLeft(); |
| EXPECT_EQ("FRED ", fred); |
| fred.TrimLeft('E'); |
| EXPECT_EQ("FRED ", fred); |
| fred.TrimLeft('F'); |
| EXPECT_EQ("RED ", fred); |
| fred.TrimLeft("ERP"); |
| EXPECT_EQ("D ", fred); |
| |
| ByteString blank(" "); |
| blank.TrimLeft("ERP"); |
| EXPECT_EQ(" ", blank); |
| blank.TrimLeft('E'); |
| EXPECT_EQ(" ", blank); |
| blank.TrimLeft(); |
| EXPECT_EQ("", blank); |
| |
| ByteString empty; |
| empty.TrimLeft("ERP"); |
| EXPECT_EQ("", empty); |
| empty.TrimLeft('E'); |
| EXPECT_EQ("", empty); |
| empty.TrimLeft(); |
| EXPECT_EQ("", empty); |
| } |
| |
| TEST(ByteString, TrimLeftCopies) { |
| { |
| // With a single reference, no copy takes place. |
| ByteString fred(" FRED "); |
| const char* old_buffer = fred.c_str(); |
| fred.TrimLeft(); |
| EXPECT_EQ("FRED ", fred); |
| EXPECT_EQ(old_buffer, fred.c_str()); |
| } |
| { |
| // With multiple references, we must copy. |
| ByteString fred(" FRED "); |
| ByteString other_fred = fred; |
| const char* old_buffer = fred.c_str(); |
| fred.TrimLeft(); |
| EXPECT_EQ("FRED ", fred); |
| EXPECT_EQ(" FRED ", other_fred); |
| EXPECT_NE(old_buffer, fred.c_str()); |
| } |
| { |
| // With multiple references, but no modifications, no copy. |
| ByteString fred("FRED"); |
| ByteString other_fred = fred; |
| const char* old_buffer = fred.c_str(); |
| fred.TrimLeft(); |
| EXPECT_EQ("FRED", fred); |
| EXPECT_EQ("FRED", other_fred); |
| EXPECT_EQ(old_buffer, fred.c_str()); |
| } |
| } |
| |
| TEST(ByteString, TrimRight) { |
| ByteString fred(" FRED "); |
| fred.TrimRight(); |
| EXPECT_EQ(" FRED", fred); |
| fred.TrimRight('E'); |
| EXPECT_EQ(" FRED", fred); |
| fred.TrimRight('D'); |
| EXPECT_EQ(" FRE", fred); |
| fred.TrimRight("ERP"); |
| EXPECT_EQ(" F", fred); |
| |
| ByteString blank(" "); |
| blank.TrimRight("ERP"); |
| EXPECT_EQ(" ", blank); |
| blank.TrimRight('E'); |
| EXPECT_EQ(" ", blank); |
| blank.TrimRight(); |
| EXPECT_EQ("", blank); |
| |
| ByteString empty; |
| empty.TrimRight("ERP"); |
| EXPECT_EQ("", empty); |
| empty.TrimRight('E'); |
| EXPECT_EQ("", empty); |
| empty.TrimRight(); |
| EXPECT_EQ("", empty); |
| } |
| |
| TEST(ByteString, TrimRightCopies) { |
| { |
| // With a single reference, no copy takes place. |
| ByteString fred(" FRED "); |
| const char* old_buffer = fred.c_str(); |
| fred.TrimRight(); |
| EXPECT_EQ(" FRED", fred); |
| EXPECT_EQ(old_buffer, fred.c_str()); |
| } |
| { |
| // With multiple references, we must copy. |
| ByteString fred(" FRED "); |
| ByteString other_fred = fred; |
| const char* old_buffer = fred.c_str(); |
| fred.TrimRight(); |
| EXPECT_EQ(" FRED", fred); |
| EXPECT_EQ(" FRED ", other_fred); |
| EXPECT_NE(old_buffer, fred.c_str()); |
| } |
| { |
| // With multiple references, but no modifications, no copy. |
| ByteString fred("FRED"); |
| ByteString other_fred = fred; |
| const char* old_buffer = fred.c_str(); |
| fred.TrimRight(); |
| EXPECT_EQ("FRED", fred); |
| EXPECT_EQ("FRED", other_fred); |
| EXPECT_EQ(old_buffer, fred.c_str()); |
| } |
| } |
| |
| TEST(ByteString, Reserve) { |
| { |
| ByteString str; |
| str.Reserve(6); |
| const char* old_buffer = str.c_str(); |
| str += "ABCDEF"; |
| EXPECT_EQ(old_buffer, str.c_str()); |
| str += "Blah Blah Blah Blah Blah Blah"; |
| EXPECT_NE(old_buffer, str.c_str()); |
| } |
| { |
| ByteString str("A"); |
| str.Reserve(6); |
| const char* old_buffer = str.c_str(); |
| str += "BCDEF"; |
| EXPECT_EQ(old_buffer, str.c_str()); |
| str += "Blah Blah Blah Blah Blah Blah"; |
| EXPECT_NE(old_buffer, str.c_str()); |
| } |
| } |
| |
| TEST(ByteString, GetBuffer) { |
| ByteString str1; |
| { |
| pdfium::span<char> buffer = str1.GetBuffer(12); |
| // NOLINTNEXTLINE(runtime/printf) |
| strcpy(buffer.data(), "clams"); |
| } |
| str1.ReleaseBuffer(str1.GetStringLength()); |
| EXPECT_EQ("clams", str1); |
| |
| ByteString str2("cl"); |
| { |
| pdfium::span<char> buffer = str2.GetBuffer(12); |
| // NOLINTNEXTLINE(runtime/printf) |
| strcpy(&buffer[2], "ams"); |
| } |
| str2.ReleaseBuffer(str2.GetStringLength()); |
| EXPECT_EQ("clams", str2); |
| } |
| |
| TEST(ByteString, ReleaseBuffer) { |
| { |
| ByteString str; |
| str.Reserve(12); |
| str += "clams"; |
| const char* old_buffer = str.c_str(); |
| str.ReleaseBuffer(4); |
| EXPECT_EQ(old_buffer, str.c_str()); |
| EXPECT_EQ("clam", str); |
| } |
| { |
| ByteString str("c"); |
| str.Reserve(12); |
| str += "lams"; |
| const char* old_buffer = str.c_str(); |
| str.ReleaseBuffer(4); |
| EXPECT_EQ(old_buffer, str.c_str()); |
| EXPECT_EQ("clam", str); |
| } |
| { |
| ByteString str; |
| str.Reserve(200); |
| str += "clams"; |
| const char* old_buffer = str.c_str(); |
| str.ReleaseBuffer(4); |
| EXPECT_NE(old_buffer, str.c_str()); |
| EXPECT_EQ("clam", str); |
| } |
| { |
| ByteString str("c"); |
| str.Reserve(200); |
| str += "lams"; |
| const char* old_buffer = str.c_str(); |
| str.ReleaseBuffer(4); |
| EXPECT_NE(old_buffer, str.c_str()); |
| EXPECT_EQ("clam", str); |
| } |
| } |
| |
| TEST(ByteString, EmptyReverseIterator) { |
| ByteString empty; |
| auto iter = empty.rbegin(); |
| EXPECT_TRUE(iter == empty.rend()); |
| EXPECT_FALSE(iter != empty.rend()); |
| EXPECT_FALSE(iter < empty.rend()); |
| } |
| |
| TEST(ByteString, OneCharReverseIterator) { |
| ByteString one_str("a"); |
| auto iter = one_str.rbegin(); |
| EXPECT_FALSE(iter == one_str.rend()); |
| EXPECT_TRUE(iter != one_str.rend()); |
| EXPECT_TRUE(iter < one_str.rend()); |
| |
| char ch = *iter++; |
| EXPECT_EQ('a', ch); |
| EXPECT_TRUE(iter == one_str.rend()); |
| EXPECT_FALSE(iter != one_str.rend()); |
| EXPECT_FALSE(iter < one_str.rend()); |
| } |
| |
| TEST(ByteString, MultiCharReverseIterator) { |
| ByteString multi_str("abcd"); |
| auto iter = multi_str.rbegin(); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(4, multi_str.rend() - iter); |
| EXPECT_EQ(0, iter - multi_str.rbegin()); |
| |
| char ch = *iter++; |
| EXPECT_EQ('d', ch); |
| EXPECT_EQ('c', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(3, multi_str.rend() - iter); |
| EXPECT_EQ(1, iter - multi_str.rbegin()); |
| |
| ch = *(++iter); |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('b', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(2, multi_str.rend() - iter); |
| EXPECT_EQ(2, iter - multi_str.rbegin()); |
| |
| ch = *iter++; |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('a', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(1, multi_str.rend() - iter); |
| EXPECT_EQ(3, iter - multi_str.rbegin()); |
| |
| ch = *iter++; |
| EXPECT_EQ('a', ch); |
| EXPECT_EQ(iter, multi_str.rend()); |
| EXPECT_EQ(0, multi_str.rend() - iter); |
| EXPECT_EQ(4, iter - multi_str.rbegin()); |
| |
| ch = *(--iter); |
| EXPECT_EQ('a', ch); |
| EXPECT_EQ('a', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(1, multi_str.rend() - iter); |
| EXPECT_EQ(3, iter - multi_str.rbegin()); |
| |
| ch = *iter--; |
| EXPECT_EQ('a', ch); |
| EXPECT_EQ('b', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(2, multi_str.rend() - iter); |
| EXPECT_EQ(2, iter - multi_str.rbegin()); |
| |
| ch = *iter--; |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('c', *iter); |
| EXPECT_NE(iter, multi_str.rend()); |
| EXPECT_EQ(3, multi_str.rend() - iter); |
| EXPECT_EQ(1, iter - multi_str.rbegin()); |
| |
| ch = *(--iter); |
| EXPECT_EQ('d', ch); |
| EXPECT_EQ('d', *iter); |
| EXPECT_EQ(iter, multi_str.rbegin()); |
| EXPECT_EQ(4, multi_str.rend() - iter); |
| EXPECT_EQ(0, iter - multi_str.rbegin()); |
| } |
| |
| TEST(ByteStringView, Null) { |
| ByteStringView null_string; |
| EXPECT_FALSE(null_string.raw_str()); |
| EXPECT_EQ(0u, null_string.GetLength()); |
| EXPECT_TRUE(null_string.IsEmpty()); |
| |
| ByteStringView another_null_string; |
| EXPECT_EQ(null_string, another_null_string); |
| |
| ByteStringView copied_null_string(null_string); |
| EXPECT_FALSE(copied_null_string.raw_str()); |
| EXPECT_EQ(0u, copied_null_string.GetLength()); |
| EXPECT_TRUE(copied_null_string.IsEmpty()); |
| EXPECT_EQ(null_string, copied_null_string); |
| |
| ByteStringView span_null_string = pdfium::span<const uint8_t>(); |
| EXPECT_FALSE(span_null_string.raw_str()); |
| EXPECT_EQ(0u, span_null_string.GetLength()); |
| EXPECT_TRUE(span_null_string.IsEmpty()); |
| EXPECT_EQ(null_string, span_null_string); |
| |
| ByteStringView empty_string(""); // Pointer to NUL, not NULL pointer. |
| EXPECT_TRUE(empty_string.raw_str()); |
| EXPECT_EQ(0u, empty_string.GetLength()); |
| EXPECT_TRUE(empty_string.IsEmpty()); |
| EXPECT_EQ(null_string, empty_string); |
| |
| ByteStringView assigned_null_string("initially not nullptr"); |
| assigned_null_string = null_string; |
| EXPECT_FALSE(assigned_null_string.raw_str()); |
| EXPECT_EQ(0u, assigned_null_string.GetLength()); |
| EXPECT_TRUE(assigned_null_string.IsEmpty()); |
| EXPECT_EQ(null_string, assigned_null_string); |
| |
| ByteStringView assigned_nullptr_string("initially not nullptr"); |
| assigned_nullptr_string = nullptr; |
| EXPECT_FALSE(assigned_nullptr_string.raw_str()); |
| EXPECT_EQ(0u, assigned_nullptr_string.GetLength()); |
| EXPECT_TRUE(assigned_nullptr_string.IsEmpty()); |
| EXPECT_EQ(null_string, assigned_nullptr_string); |
| |
| ByteStringView assigned_span_null_string("initially not null span"); |
| assigned_span_null_string = pdfium::span<const uint8_t>(); |
| EXPECT_FALSE(assigned_span_null_string.raw_str()); |
| EXPECT_EQ(0u, assigned_span_null_string.GetLength()); |
| EXPECT_TRUE(assigned_span_null_string.IsEmpty()); |
| EXPECT_EQ(null_string, assigned_span_null_string); |
| |
| ByteStringView non_null_string("a"); |
| EXPECT_NE(null_string, non_null_string); |
| } |
| |
| TEST(ByteStringView, NotNull) { |
| ByteStringView string3("abc"); |
| ByteStringView string6("abcdef"); |
| ByteStringView alternate_string3("abcdef", 3); |
| ByteStringView span_string4(pdfium::as_bytes(pdfium::make_span("abcd", 4))); |
| ByteStringView embedded_nul_string7("abc\0def", 7); |
| ByteStringView illegal_string7("abcdef", 7); |
| |
| EXPECT_EQ(3u, string3.GetLength()); |
| EXPECT_EQ(6u, string6.GetLength()); |
| EXPECT_EQ(3u, alternate_string3.GetLength()); |
| EXPECT_EQ(4u, span_string4.GetLength()); |
| EXPECT_EQ(7u, embedded_nul_string7.GetLength()); |
| EXPECT_EQ(7u, illegal_string7.GetLength()); |
| |
| EXPECT_NE(string3, string6); |
| EXPECT_EQ(string3, alternate_string3); |
| EXPECT_NE(string3, embedded_nul_string7); |
| EXPECT_NE(string3, illegal_string7); |
| EXPECT_NE(string6, alternate_string3); |
| EXPECT_NE(string6, embedded_nul_string7); |
| EXPECT_NE(string6, illegal_string7); |
| EXPECT_NE(alternate_string3, embedded_nul_string7); |
| EXPECT_NE(alternate_string3, illegal_string7); |
| EXPECT_NE(embedded_nul_string7, illegal_string7); |
| |
| ByteStringView copied_string3(string3); |
| ByteStringView copied_alternate_string3(alternate_string3); |
| ByteStringView copied_embedded_nul_string7(embedded_nul_string7); |
| |
| EXPECT_EQ(string3, copied_string3); |
| EXPECT_EQ(alternate_string3, copied_alternate_string3); |
| EXPECT_EQ(embedded_nul_string7, copied_embedded_nul_string7); |
| |
| ByteStringView assigned_string3("intially something else"); |
| ByteStringView assigned_alternate_string3("initally something else"); |
| ByteStringView assigned_ptr_string3("initially something else"); |
| ByteStringView assigned_embedded_nul_string7("initially something else"); |
| |
| assigned_string3 = string3; |
| assigned_alternate_string3 = alternate_string3; |
| assigned_ptr_string3 = "abc"; |
| assigned_embedded_nul_string7 = embedded_nul_string7; |
| EXPECT_EQ(string3, assigned_string3); |
| EXPECT_EQ(alternate_string3, assigned_alternate_string3); |
| EXPECT_EQ(alternate_string3, assigned_ptr_string3); |
| EXPECT_EQ(embedded_nul_string7, assigned_embedded_nul_string7); |
| } |
| |
| TEST(ByteStringView, FromChar) { |
| ByteStringView null_string; |
| ByteStringView lower_a_string("a"); |
| |
| // Must have lvalues that outlive the corresponding ByteStringC. |
| char nul = '\0'; |
| char lower_a = 'a'; |
| ByteStringView nul_string_from_char(nul); |
| ByteStringView lower_a_string_from_char(lower_a); |
| |
| // Pointer to nul, not nullptr ptr, hence length 1 ... |
| EXPECT_EQ(1u, nul_string_from_char.GetLength()); |
| EXPECT_NE(null_string, nul_string_from_char); |
| |
| EXPECT_EQ(1u, lower_a_string_from_char.GetLength()); |
| EXPECT_EQ(lower_a_string, lower_a_string_from_char); |
| EXPECT_NE(nul_string_from_char, lower_a_string_from_char); |
| |
| ByteStringView longer_string("ab"); |
| EXPECT_NE(longer_string, lower_a_string_from_char); |
| } |
| |
| TEST(ByteStringView, FromVector) { |
| std::vector<uint8_t> null_vec; |
| ByteStringView null_string(null_vec); |
| EXPECT_EQ(0u, null_string.GetLength()); |
| |
| std::vector<uint8_t> lower_a_vec(10, static_cast<uint8_t>('a')); |
| ByteStringView lower_a_string(lower_a_vec); |
| EXPECT_EQ(static_cast<size_t>(10), lower_a_string.GetLength()); |
| EXPECT_EQ("aaaaaaaaaa", lower_a_string); |
| |
| std::vector<uint8_t> cleared_vec; |
| cleared_vec.push_back(42); |
| cleared_vec.pop_back(); |
| ByteStringView cleared_string(cleared_vec); |
| EXPECT_EQ(0u, cleared_string.GetLength()); |
| EXPECT_FALSE(cleared_string.raw_str()); |
| } |
| |
| TEST(ByteStringView, GetID) { |
| ByteStringView null_string; |
| EXPECT_EQ(0u, null_string.GetID()); |
| |
| ByteStringView empty_string(""); |
| EXPECT_EQ(0u, empty_string.GetID()); |
| |
| ByteStringView short_string("ab"); |
| EXPECT_EQ(FXBSTR_ID('a', 'b', 0, 0), short_string.GetID()); |
| |
| ByteStringView longer_string("abcdef"); |
| EXPECT_EQ(FXBSTR_ID('a', 'b', 'c', 'd'), longer_string.GetID()); |
| } |
| |
| TEST(ByteStringView, Find) { |
| ByteStringView null_string; |
| EXPECT_FALSE(null_string.Find('a').has_value()); |
| EXPECT_FALSE(null_string.Find('\0').has_value()); |
| |
| ByteStringView empty_string(""); |
| EXPECT_FALSE(empty_string.Find('a').has_value()); |
| EXPECT_FALSE(empty_string.Find('\0').has_value()); |
| |
| ByteStringView single_string("a"); |
| absl::optional<size_t> result = single_string.Find('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| EXPECT_FALSE(single_string.Find('b').has_value()); |
| EXPECT_FALSE(single_string.Find('\0').has_value()); |
| |
| ByteStringView longer_string("abccc"); |
| result = longer_string.Find('a'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(0u, result.value()); |
| result = longer_string.Find('c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| EXPECT_FALSE(longer_string.Find('d').has_value()); |
| EXPECT_FALSE(longer_string.Find('\0').has_value()); |
| |
| ByteStringView hibyte_string( |
| "ab\x8c" |
| "def"); |
| result = hibyte_string.Find('\x8c'); |
| ASSERT_TRUE(result.has_value()); |
| EXPECT_EQ(2u, result.value()); |
| } |
| |
| TEST(ByteStringView, OneArgSubstr) { |
| ByteStringView null_string; |
| EXPECT_EQ(null_string, null_string.Substr(0)); |
| EXPECT_EQ(null_string, null_string.Substr(1)); |
| |
| ByteStringView empty_string(""); |
| EXPECT_EQ("", empty_string.Substr(0)); |
| EXPECT_EQ("", empty_string.Substr(1)); |
| |
| ByteStringView single_character("a"); |
| EXPECT_EQ(single_character, single_character.Substr(0)); |
| EXPECT_EQ("", single_character.Substr(1)); |
| |
| ByteStringView longer_string("abcdef"); |
| EXPECT_EQ(longer_string, longer_string.Substr(0)); |
| EXPECT_EQ("", longer_string.Substr(187)); |
| |
| ByteStringView trailing_substring("ef"); |
| EXPECT_EQ(trailing_substring, longer_string.Substr(4)); |
| } |
| |
| TEST(ByteStringView, TwoArgSubstr) { |
| ByteStringView null_string; |
| EXPECT_EQ(null_string, null_string.Substr(0, 1)); |
| EXPECT_EQ(null_string, null_string.Substr(1, 1)); |
| |
| ByteStringView empty_string(""); |
| EXPECT_EQ("", empty_string.Substr(0, 1)); |
| EXPECT_EQ("", empty_string.Substr(1, 1)); |
| |
| ByteStringView single_character("a"); |
| EXPECT_EQ("", single_character.Substr(0, 0)); |
| EXPECT_EQ(single_character, single_character.Substr(0, 1)); |
| EXPECT_EQ("", single_character.Substr(1, 0)); |
| EXPECT_EQ("", single_character.Substr(1, 1)); |
| |
| ByteStringView longer_string("abcdef"); |
| EXPECT_EQ(longer_string, longer_string.Substr(0, 6)); |
| EXPECT_EQ("", longer_string.Substr(0, 187)); |
| |
| ByteStringView leading_substring("ab"); |
| EXPECT_EQ(leading_substring, longer_string.Substr(0, 2)); |
| |
| ByteStringView middle_substring("bcde"); |
| EXPECT_EQ(middle_substring, longer_string.Substr(1, 4)); |
| |
| ByteStringView trailing_substring("ef"); |
| EXPECT_EQ(trailing_substring, longer_string.Substr(4, 2)); |
| EXPECT_EQ("", longer_string.Substr(4, 3)); |
| } |
| |
| TEST(ByteStringView, TrimmedRight) { |
| ByteStringView fred("FRED"); |
| EXPECT_EQ("FRED", fred.TrimmedRight('E')); |
| EXPECT_EQ("FRE", fred.TrimmedRight('D')); |
| ByteStringView fredd("FREDD"); |
| EXPECT_EQ("FRE", fred.TrimmedRight('D')); |
| } |
| |
| TEST(ByteStringView, ElementAccess) { |
| // ByteStringView includes the NUL terminator for non-empty strings. |
| ByteStringView abc("abc"); |
| EXPECT_EQ('a', static_cast<char>(abc[0])); |
| EXPECT_EQ('b', static_cast<char>(abc[1])); |
| EXPECT_EQ('c', static_cast<char>(abc[2])); |
| #ifndef NDEBUG |
| EXPECT_DEATH({ abc[3]; }, ".*"); |
| #endif |
| } |
| |
| TEST(ByteStringView, OperatorLT) { |
| ByteStringView empty; |
| ByteStringView a("a"); |
| ByteStringView abc("abc"); |
| ByteStringView def("def"); |
| const char* const c_null = nullptr; |
| const char* const c_empty = ""; |
| const char* const c_a = "a"; |
| const char* const c_abc = "abc"; |
| const char* const c_def = "def"; |
| |
| EXPECT_FALSE(empty < empty); |
| EXPECT_FALSE(a < a); |
| EXPECT_FALSE(abc < abc); |
| EXPECT_FALSE(def < def); |
| EXPECT_FALSE(c_null < empty); |
| EXPECT_FALSE(c_empty < empty); |
| EXPECT_FALSE(c_a < a); |
| EXPECT_FALSE(c_abc < abc); |
| EXPECT_FALSE(c_def < def); |
| EXPECT_FALSE(empty < c_null); |
| EXPECT_FALSE(empty < c_empty); |
| EXPECT_FALSE(a < c_a); |
| EXPECT_FALSE(abc < c_abc); |
| EXPECT_FALSE(def < c_def); |
| |
| EXPECT_TRUE(empty < a); |
| EXPECT_FALSE(a < empty); |
| EXPECT_TRUE(empty < c_a); |
| EXPECT_FALSE(a < c_null); |
| EXPECT_FALSE(a < c_empty); |
| |
| EXPECT_TRUE(empty < abc); |
| EXPECT_FALSE(abc < empty); |
| EXPECT_TRUE(empty < c_abc); |
| EXPECT_FALSE(abc < c_null); |
| EXPECT_FALSE(abc < c_empty); |
| |
| EXPECT_TRUE(empty < def); |
| EXPECT_FALSE(def < empty); |
| EXPECT_TRUE(empty < c_def); |
| EXPECT_FALSE(def < c_null); |
| EXPECT_FALSE(def < c_empty); |
| |
| EXPECT_TRUE(a < abc); |
| EXPECT_FALSE(abc < a); |
| EXPECT_TRUE(a < c_abc); |
| EXPECT_FALSE(abc < c_a); |
| |
| EXPECT_TRUE(a < def); |
| EXPECT_FALSE(def < a); |
| EXPECT_TRUE(a < c_def); |
| EXPECT_FALSE(def < c_a); |
| |
| EXPECT_TRUE(abc < def); |
| EXPECT_FALSE(def < abc); |
| EXPECT_TRUE(abc < c_def); |
| EXPECT_FALSE(def < c_abc); |
| } |
| |
| TEST(ByteStringView, OperatorEQ) { |
| ByteStringView byte_string_c("hello"); |
| EXPECT_TRUE(byte_string_c == byte_string_c); |
| |
| ByteStringView byte_string_c_same1("hello"); |
| EXPECT_TRUE(byte_string_c == byte_string_c_same1); |
| EXPECT_TRUE(byte_string_c_same1 == byte_string_c); |
| |
| ByteStringView byte_string_c_same2(byte_string_c); |
| EXPECT_TRUE(byte_string_c == byte_string_c_same2); |
| EXPECT_TRUE(byte_string_c_same2 == byte_string_c); |
| |
| ByteStringView byte_string_c1("he"); |
| ByteStringView byte_string_c2("hellp"); |
| ByteStringView byte_string_c3("hellod"); |
| EXPECT_FALSE(byte_string_c == byte_string_c1); |
| EXPECT_FALSE(byte_string_c == byte_string_c2); |
| EXPECT_FALSE(byte_string_c == byte_string_c3); |
| EXPECT_FALSE(byte_string_c1 == byte_string_c); |
| EXPECT_FALSE(byte_string_c2 == byte_string_c); |
| EXPECT_FALSE(byte_string_c3 == byte_string_c); |
| |
| ByteString byte_string_same1("hello"); |
| EXPECT_TRUE(byte_string_c == byte_string_same1); |
| EXPECT_TRUE(byte_string_same1 == byte_string_c); |
| |
| ByteString byte_string1("he"); |
| ByteString byte_string2("hellp"); |
| ByteString byte_string3("hellod"); |
| EXPECT_FALSE(byte_string_c == byte_string1); |
| EXPECT_FALSE(byte_string_c == byte_string2); |
| EXPECT_FALSE(byte_string_c == byte_string3); |
| EXPECT_FALSE(byte_string1 == byte_string_c); |
| EXPECT_FALSE(byte_string2 == byte_string_c); |
| EXPECT_FALSE(byte_string3 == byte_string_c); |
| |
| const char* const c_string_same1 = "hello"; |
| EXPECT_TRUE(byte_string_c == c_string_same1); |
| EXPECT_TRUE(c_string_same1 == byte_string_c); |
| |
| const char* const c_string1 = "he"; |
| const char* const c_string2 = "hellp"; |
| const char* const c_string3 = "hellod"; |
| EXPECT_FALSE(byte_string_c == c_string1); |
| EXPECT_FALSE(byte_string_c == c_string2); |
| EXPECT_FALSE(byte_string_c == c_string3); |
| |
| EXPECT_FALSE(c_string1 == byte_string_c); |
| EXPECT_FALSE(c_string2 == byte_string_c); |
| EXPECT_FALSE(c_string3 == byte_string_c); |
| |
| pdfium::span<const uint8_t> span5( |
| pdfium::as_bytes(pdfium::make_span("hello", 5))); |
| EXPECT_EQ(byte_string_c.raw_span(), span5); |
| } |
| |
| TEST(ByteStringView, OperatorNE) { |
| ByteStringView byte_string_c("hello"); |
| EXPECT_FALSE(byte_string_c != byte_string_c); |
| |
| ByteStringView byte_string_c_same1("hello"); |
| EXPECT_FALSE(byte_string_c != byte_string_c_same1); |
| EXPECT_FALSE(byte_string_c_same1 != byte_string_c); |
| |
| ByteStringView byte_string_c_same2(byte_string_c); |
| EXPECT_FALSE(byte_string_c != byte_string_c_same2); |
| EXPECT_FALSE(byte_string_c_same2 != byte_string_c); |
| |
| ByteStringView byte_string_c1("he"); |
| ByteStringView byte_string_c2("hellp"); |
| ByteStringView byte_string_c3("hellod"); |
| EXPECT_TRUE(byte_string_c != byte_string_c1); |
| EXPECT_TRUE(byte_string_c != byte_string_c2); |
| EXPECT_TRUE(byte_string_c != byte_string_c3); |
| EXPECT_TRUE(byte_string_c1 != byte_string_c); |
| EXPECT_TRUE(byte_string_c2 != byte_string_c); |
| EXPECT_TRUE(byte_string_c3 != byte_string_c); |
| |
| ByteString byte_string_same1("hello"); |
| EXPECT_FALSE(byte_string_c != byte_string_same1); |
| EXPECT_FALSE(byte_string_same1 != byte_string_c); |
| |
| ByteString byte_string1("he"); |
| ByteString byte_string2("hellp"); |
| ByteString byte_string3("hellod"); |
| EXPECT_TRUE(byte_string_c != byte_string1); |
| EXPECT_TRUE(byte_string_c != byte_string2); |
| EXPECT_TRUE(byte_string_c != byte_string3); |
| EXPECT_TRUE(byte_string1 != byte_string_c); |
| EXPECT_TRUE(byte_string2 != byte_string_c); |
| EXPECT_TRUE(byte_string3 != byte_string_c); |
| |
| const char* const c_string_same1 = "hello"; |
| EXPECT_FALSE(byte_string_c != c_string_same1); |
| EXPECT_FALSE(c_string_same1 != byte_string_c); |
| |
| const char* const c_string1 = "he"; |
| const char* const c_string2 = "hellp"; |
| const char* const c_string3 = "hellod"; |
| EXPECT_TRUE(byte_string_c != c_string1); |
| EXPECT_TRUE(byte_string_c != c_string2); |
| EXPECT_TRUE(byte_string_c != c_string3); |
| |
| EXPECT_TRUE(c_string1 != byte_string_c); |
| EXPECT_TRUE(c_string2 != byte_string_c); |
| EXPECT_TRUE(c_string3 != byte_string_c); |
| } |
| |
| TEST(ByteStringView, NullIterator) { |
| ByteStringView null_str; |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : null_str) { |
| sum += c; // Avoid unused arg warnings. |
| any_present = true; |
| } |
| EXPECT_FALSE(any_present); |
| EXPECT_EQ(0, sum); |
| } |
| |
| TEST(ByteStringView, EmptyIterator) { |
| ByteStringView empty_str(""); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : empty_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_FALSE(any_present); |
| EXPECT_EQ(0, sum); |
| } |
| |
| TEST(ByteStringView, OneCharIterator) { |
| ByteStringView one_str("a"); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : one_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_TRUE(any_present); |
| EXPECT_EQ('a', sum); |
| } |
| |
| TEST(ByteStringView, MultiCharIterator) { |
| ByteStringView one_str("abc"); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : one_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_TRUE(any_present); |
| EXPECT_EQ('a' + 'b' + 'c', sum); |
| } |
| |
| TEST(ByteStringView, EmptyReverseIterator) { |
| ByteStringView empty; |
| auto iter = empty.rbegin(); |
| EXPECT_TRUE(iter == empty.rend()); |
| EXPECT_FALSE(iter != empty.rend()); |
| EXPECT_FALSE(iter < empty.rend()); |
| } |
| |
| TEST(ByteStringView, OneCharReverseIterator) { |
| ByteStringView one_str("a"); |
| auto iter = one_str.rbegin(); |
| EXPECT_FALSE(iter == one_str.rend()); |
| EXPECT_TRUE(iter != one_str.rend()); |
| EXPECT_TRUE(iter < one_str.rend()); |
| |
| char ch = *iter++; |
| EXPECT_EQ('a', ch); |
| EXPECT_TRUE(iter == one_str.rend()); |
| EXPECT_FALSE(iter != one_str.rend()); |
| EXPECT_FALSE(iter < one_str.rend()); |
| } |
| |
| TEST(ByteStringView, MultiCharReverseIterator) { |
| ByteStringView multi_str("abcd"); |
| auto iter = multi_str.rbegin(); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| char ch = *iter++; |
| EXPECT_EQ('d', ch); |
| EXPECT_EQ('c', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *(++iter); |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('b', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *iter++; |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('a', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *iter++; |
| EXPECT_EQ('a', ch); |
| EXPECT_TRUE(iter == multi_str.rend()); |
| |
| ch = *(--iter); |
| EXPECT_EQ('a', ch); |
| EXPECT_EQ('a', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *iter--; |
| EXPECT_EQ('a', ch); |
| EXPECT_EQ('b', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *iter--; |
| EXPECT_EQ('b', ch); |
| EXPECT_EQ('c', *iter); |
| EXPECT_FALSE(iter == multi_str.rend()); |
| |
| ch = *(--iter); |
| EXPECT_EQ('d', ch); |
| EXPECT_EQ('d', *iter); |
| EXPECT_TRUE(iter == multi_str.rbegin()); |
| } |
| |
| TEST(ByteStringView, AnyAllNoneOf) { |
| ByteStringView str("aaaaaaaaaaaaaaaaab"); |
| EXPECT_FALSE(std::all_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_FALSE(std::none_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_TRUE(std::any_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_TRUE(pdfium::Contains(str, 'a')); |
| EXPECT_TRUE(pdfium::Contains(str, 'b')); |
| EXPECT_FALSE(pdfium::Contains(str, 'z')); |
| } |
| |
| TEST(ByteString, FormatWidth) { |
| EXPECT_EQ(" 1", ByteString::Format("%5d", 1)); |
| EXPECT_EQ("1", ByteString::Format("%d", 1)); |
| EXPECT_EQ(" 1", ByteString::Format("%*d", 5, 1)); |
| EXPECT_EQ("1", ByteString::Format("%-1d", 1)); |
| EXPECT_EQ("1", ByteString::Format("%0d", 1)); |
| } |
| |
| TEST(ByteString, FormatPrecision) { |
| EXPECT_EQ("1.12", ByteString::Format("%.2f", 1.12345)); |
| EXPECT_EQ("1.123", ByteString::Format("%.*f", 3, 1.12345)); |
| EXPECT_EQ("1.123450", ByteString::Format("%f", 1.12345)); |
| EXPECT_EQ("1.123450", ByteString::Format("%-1f", 1.12345)); |
| EXPECT_EQ("1.123450", ByteString::Format("%0f", 1.12345)); |
| } |
| |
| TEST(ByteString, Empty) { |
| ByteString empty_str; |
| EXPECT_TRUE(empty_str.IsEmpty()); |
| EXPECT_EQ(0u, empty_str.GetLength()); |
| |
| const char* cstr = empty_str.c_str(); |
| EXPECT_TRUE(cstr); |
| EXPECT_EQ(0u, strlen(cstr)); |
| |
| const uint8_t* rstr = empty_str.raw_str(); |
| EXPECT_FALSE(rstr); |
| |
| pdfium::span<const char> cspan = empty_str.span(); |
| EXPECT_TRUE(cspan.empty()); |
| EXPECT_FALSE(cspan.data()); |
| |
| pdfium::span<const uint8_t> rspan = empty_str.raw_span(); |
| EXPECT_TRUE(rspan.empty()); |
| EXPECT_FALSE(rspan.data()); |
| } |
| |
| TEST(ByteString, InitializerList) { |
| ByteString many_str({"clams", " and ", "oysters"}); |
| EXPECT_EQ("clams and oysters", many_str); |
| many_str = {"fish", " and ", "chips", " and ", "soda"}; |
| EXPECT_EQ("fish and chips and soda", many_str); |
| } |
| |
| TEST(ByteString, NullIterator) { |
| ByteString null_str; |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : null_str) { |
| sum += c; // Avoid unused arg warnings. |
| any_present = true; |
| } |
| EXPECT_FALSE(any_present); |
| EXPECT_EQ(0, sum); |
| } |
| |
| TEST(ByteString, EmptyIterator) { |
| ByteString empty_str(""); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : empty_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_FALSE(any_present); |
| EXPECT_EQ(0, sum); |
| } |
| |
| TEST(ByteString, OneCharIterator) { |
| ByteString one_str("a"); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : one_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_TRUE(any_present); |
| EXPECT_EQ('a', sum); |
| } |
| |
| TEST(ByteString, MultiCharIterator) { |
| ByteString one_str("abc"); |
| int32_t sum = 0; |
| bool any_present = false; |
| for (const auto& c : one_str) { |
| any_present = true; |
| sum += c; // Avoid unused arg warnings. |
| } |
| EXPECT_TRUE(any_present); |
| EXPECT_EQ('a' + 'b' + 'c', sum); |
| } |
| |
| TEST(ByteString, StdBegin) { |
| ByteString one_str("abc"); |
| std::vector<uint8_t> vec(std::begin(one_str), std::end(one_str)); |
| ASSERT_EQ(3u, vec.size()); |
| EXPECT_EQ('a', vec[0]); |
| EXPECT_EQ('b', vec[1]); |
| EXPECT_EQ('c', vec[2]); |
| } |
| |
| TEST(ByteString, AnyAllNoneOf) { |
| ByteString str("aaaaaaaaaaaaaaaaab"); |
| EXPECT_FALSE(std::all_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_FALSE(std::none_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_TRUE(std::any_of(str.begin(), str.end(), |
| [](const char& c) { return c == 'a'; })); |
| |
| EXPECT_TRUE(pdfium::Contains(str, 'a')); |
| EXPECT_TRUE(pdfium::Contains(str, 'b')); |
| EXPECT_FALSE(pdfium::Contains(str, 'z')); |
| } |
| |
| TEST(CFX_BytrString, EqualNoCase) { |
| ByteString str("aaa"); |
| EXPECT_TRUE(str.EqualNoCase("aaa")); |
| EXPECT_TRUE(str.EqualNoCase("AAA")); |
| EXPECT_TRUE(str.EqualNoCase("aaA")); |
| EXPECT_TRUE(str.EqualNoCase("Aaa")); |
| EXPECT_FALSE(str.EqualNoCase("aab")); |
| EXPECT_FALSE(str.EqualNoCase("aaaa")); |
| EXPECT_FALSE(str.EqualNoCase("BBBB")); |
| EXPECT_FALSE(str.EqualNoCase("a")); |
| EXPECT_FALSE(str.EqualNoCase("")); |
| } |
| |
| TEST(ByteString, OStreamOverload) { |
| std::ostringstream stream; |
| |
| // Basic case, empty string |
| ByteString str; |
| stream << str; |
| EXPECT_EQ("", stream.str()); |
| |
| // Basic case, non-empty string |
| str = "def"; |
| stream.str(""); |
| stream << "abc" << str << "ghi"; |
| EXPECT_EQ("abcdefghi", stream.str()); |
| |
| // Changing the ByteString does not change the stream it was written to. |
| str = "123"; |
| EXPECT_EQ("abcdefghi", stream.str()); |
| |
| // Writing it again to the stream will use the latest value. |
| stream.str(""); |
| stream << "abc" << str << "ghi"; |
| EXPECT_EQ("abc123ghi", stream.str()); |
| |
| char stringWithNulls[]{'x', 'y', '\0', 'z'}; |
| |
| // Writing a ByteString with nulls and no specified length treats it as |
| // a C-style null-terminated string. |
| str = ByteString(stringWithNulls); |
| EXPECT_EQ(2u, str.GetLength()); |
| stream.str(""); |
| stream << str; |
| EXPECT_EQ(2u, stream.tellp()); |
| |
| // Writing a ByteString with nulls but specifying its length treats it as |
| // a C++-style string. |
| str = ByteString(stringWithNulls, 4); |
| EXPECT_EQ(4u, str.GetLength()); |
| stream.str(""); |
| stream << str; |
| EXPECT_EQ(4u, stream.tellp()); |
| |
| // << operators can be chained. |
| ByteString str1("abc"); |
| ByteString str2("def"); |
| stream.str(""); |
| stream << str1 << str2; |
| EXPECT_EQ("abcdef", stream.str()); |
| } |
| |
| TEST(ByteStringView, OStreamOverload) { |
| // Basic case, empty string |
| { |
| std::ostringstream stream; |
| ByteStringView str; |
| stream << str; |
| EXPECT_EQ("", stream.str()); |
| } |
| |
| // Basic case, non-empty string |
| { |
| std::ostringstream stream; |
| ByteStringView str("def"); |
| stream << "abc" << str << "ghi"; |
| EXPECT_EQ("abcdefghi", stream.str()); |
| } |
| |
| // Changing the ByteStringView does not change the stream it was written to. |
| { |
| std::ostringstream stream; |
| ByteStringView str("abc"); |
| stream << str; |
| str = "123"; |
| EXPECT_EQ("abc", stream.str()); |
| } |
| |
| // Writing it again to the stream will use the latest value. |
| { |
| std::ostringstream stream; |
| ByteStringView str("abc"); |
| stream << str; |
| stream.str(""); |
| str = "123"; |
| stream << str; |
| EXPECT_EQ("123", stream.str()); |
| } |
| |
| // Writing a ByteStringView with nulls and no specified length treats it as |
| // a C-style null-terminated string. |
| { |
| std::ostringstream stream; |
| char stringWithNulls[]{'x', 'y', '\0', 'z'}; |
| ByteStringView str(stringWithNulls); |
| EXPECT_EQ(2u, str.GetLength()); |
| stream << str; |
| EXPECT_EQ(2u, stream.tellp()); |
| str = ""; |
| } |
| |
| // Writing a ByteStringView with nulls but specifying its length treats it as |
| // a C++-style string. |
| { |
| std::ostringstream stream; |
| char stringWithNulls[]{'x', 'y', '\0', 'z'}; |
| ByteStringView str(stringWithNulls, 4); |
| EXPECT_EQ(4u, str.GetLength()); |
| stream << str; |
| EXPECT_EQ(4u, stream.tellp()); |
| str = ""; |
| } |
| |
| // << operators can be chained. |
| { |
| std::ostringstream stream; |
| ByteStringView str1("abc"); |
| ByteStringView str2("def"); |
| stream << str1 << str2; |
| EXPECT_EQ("abcdef", stream.str()); |
| } |
| } |
| |
| TEST(ByteString, FormatInteger) { |
| // Base case of 0. |
| EXPECT_EQ("0", ByteString::FormatInteger(0)); |
| |
| // Positive ordinary number. |
| EXPECT_EQ("123456", ByteString::FormatInteger(123456)); |
| |
| // Negative ordinary number. |
| EXPECT_EQ("-123456", ByteString::FormatInteger(-123456)); |
| |
| // int limits. |
| EXPECT_EQ("2147483647", ByteString::FormatInteger(INT_MAX)); |
| EXPECT_EQ("-2147483648", ByteString::FormatInteger(INT_MIN)); |
| } |
| |
| TEST(ByteString, FX_HashCode_Ascii) { |
| EXPECT_EQ(0u, FX_HashCode_GetA("")); |
| EXPECT_EQ(65u, FX_HashCode_GetA("A")); |
| EXPECT_EQ(97u, FX_HashCode_GetLoweredA("A")); |
| EXPECT_EQ(31 * 65u + 66u, FX_HashCode_GetA("AB")); |
| EXPECT_EQ(31u * 65u + 255u, FX_HashCode_GetA("A\xff")); |
| EXPECT_EQ(31u * 97u + 255u, FX_HashCode_GetLoweredA("A\xff")); |
| } |
| |
| TEST(ByteString, FX_HashCode_Wide) { |
| EXPECT_EQ(0u, FX_HashCode_GetAsIfW("")); |
| EXPECT_EQ(65u, FX_HashCode_GetAsIfW("A")); |
| EXPECT_EQ(97u, FX_HashCode_GetLoweredAsIfW("A")); |
| EXPECT_EQ(1313u * 65u + 66u, FX_HashCode_GetAsIfW("AB")); |
| EXPECT_EQ(1313u * 65u + 255u, FX_HashCode_GetAsIfW("A\xff")); |
| EXPECT_EQ(1313u * 97u + 255u, FX_HashCode_GetLoweredAsIfW("A\xff")); |
| } |
| |
| } // namespace fxcrt |