| // Copyright 2018 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/fpdfdoc/cpdf_defaultappearance.h" |
| |
| #include <iterator> |
| |
| #include "core/fpdfapi/parser/cpdf_simple_parser.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "testing/test_support.h" |
| #include "third_party/base/span.h" |
| |
| TEST(CPDFDefaultAppearanceTest, FindTagParamFromStart) { |
| static const struct FindTagTestStruct { |
| const unsigned char* input; |
| unsigned int input_size; |
| const char* token; |
| int num_params; |
| bool result; |
| unsigned int result_pos; |
| } test_data[] = { |
| // Empty strings. |
| STR_IN_TEST_CASE("", "Tj", 1, false, 0), |
| STR_IN_TEST_CASE("", "", 1, false, 0), |
| // Empty token. |
| STR_IN_TEST_CASE(" T j", "", 1, false, 5), |
| // No parameter. |
| STR_IN_TEST_CASE("Tj", "Tj", 1, false, 2), |
| STR_IN_TEST_CASE("(Tj", "Tj", 1, false, 3), |
| // Partial token match. |
| STR_IN_TEST_CASE("\r12\t34 56 78Tj", "Tj", 1, false, 15), |
| // Regular cases with various parameters. |
| STR_IN_TEST_CASE("\r\0abd Tj", "Tj", 1, true, 0), |
| STR_IN_TEST_CASE("12 4 Tj 3 46 Tj", "Tj", 1, true, 2), |
| STR_IN_TEST_CASE("er^ 2 (34) (5667) Tj", "Tj", 2, true, 5), |
| STR_IN_TEST_CASE("<344> (232)\t343.4\n12 45 Tj", "Tj", 3, true, 11), |
| STR_IN_TEST_CASE("1 2 3 4 5 6 7 8 cm", "cm", 6, true, 3), |
| }; |
| |
| for (size_t i = 0; i < std::size(test_data); ++i) { |
| CPDF_SimpleParser parser( |
| pdfium::make_span(test_data[i].input, test_data[i].input_size)); |
| EXPECT_EQ(test_data[i].result, |
| CPDF_DefaultAppearance::FindTagParamFromStartForTesting( |
| &parser, test_data[i].token, test_data[i].num_params)) |
| << " for case " << i; |
| EXPECT_EQ(test_data[i].result_pos, parser.GetCurPos()) << " for case " << i; |
| } |
| } |