| // Copyright 2017 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "xfa/fxfa/fm2js/cxfa_fmparser.h" |
| |
| #include <vector> |
| |
| #include "core/fxcrt/cfx_widetextbuf.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "testing/test_support.h" |
| #include "third_party/base/ptr_util.h" |
| #include "xfa/fxfa/fm2js/cxfa_fmtojavascriptdepth.h" |
| |
| TEST(CXFA_FMParserTest, Empty) { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(L""); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| // TODO(dsinclair): This is a little weird ..... |
| EXPECT_EQ(L"// comments only", buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, CommentOnlyIsError) { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(L"; Just comment"); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| // TODO(dsinclair): This isn't allowed per the spec. |
| EXPECT_FALSE(parser->HasError()); |
| // EXPECT_TRUE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(L"// comments only", buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, CommentThenValue) { |
| const wchar_t ret[] = |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"pfm_ret = 12;\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(L"; Just comment\n12"); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, Parse) { |
| const wchar_t input[] = |
| L"$ = Avg (-3, 5, -6, 12, -13);\n" |
| L"$ = Avg (Table2..Row[*].Cell1);\n" |
| L"\n" |
| L"if ($ ne -1)then\n" |
| L" border.fill.color.value = \"255,64,64\";\n" |
| L"elseif ($ ne -2) then\n" |
| L" border.fill.color.value = \"128,128,128\";\n" |
| L"else\n" |
| L" border.fill.color.value = \"20,170,13\";\n" |
| L"endif\n" |
| L"\n" |
| L"$"; |
| |
| const wchar_t ret[] = |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"if (pfm_rt.is_obj(this))\n{\n" |
| L"pfm_rt.asgn_val_op(this, pfm_rt.Avg(pfm_rt.neg_op(3), 5, " |
| L"pfm_rt.neg_op(6), 12, pfm_rt.neg_op(13)));\n" |
| L"}\n" |
| L"if (pfm_rt.is_obj(this))\n{\n" |
| L"pfm_rt.asgn_val_op(this, pfm_rt.Avg(pfm_rt.dot_acc(pfm_rt.dotdot_acc(" |
| L"Table2, \"Table2\", \"Row\", 1), \"\", \"Cell1\", 0, 0)));\n" |
| L"}\n" |
| L"if (pfm_rt.get_val(pfm_rt.neq_op(this, pfm_rt.neg_op(1))))\n{\n" |
| L"if (pfm_rt.is_obj(pfm_rt.dot_acc(pfm_rt.dot_acc(pfm_rt.dot_acc(" |
| L"border, \"border\", \"fill\", 0, 0), \"\", \"color\", 0, 0), \"\", " |
| L"\"value\", 0, 0)))\n{\n" |
| L"pfm_rt.asgn_val_op(pfm_rt.dot_acc(pfm_rt.dot_acc(" |
| L"pfm_rt.dot_acc(border, \"border\", \"fill\", 0, 0), \"\", " |
| L"\"color\", 0, 0), \"\", \"value\", 0, 0), \"255,64,64\");\n" |
| L"}\n" |
| L"}\nelse if (pfm_rt.get_val(pfm_rt.neq_op(this, pfm_rt.neg_op(2))))\n" |
| L"{\n" |
| L"if (pfm_rt.is_obj(pfm_rt.dot_acc(pfm_rt.dot_acc(pfm_rt.dot_acc(border, " |
| L"\"border\", \"fill\", 0, 0), \"\", \"color\", 0, 0), \"\", \"value\", " |
| L"0, 0)))\n" |
| L"{\n" |
| L"pfm_rt.asgn_val_op(pfm_rt.dot_acc(pfm_rt.dot_acc(pfm_rt.dot_acc(border," |
| L" \"border\", \"fill\", 0, 0), \"\", \"color\", 0, 0), \"\", \"value\", " |
| L"0, 0), \"128,128,128\");\n" |
| L"}\n" |
| L"}\n" |
| L"else {\n" |
| L"if (pfm_rt.is_obj(pfm_rt.dot_acc(pfm_rt.dot_acc(pfm_rt.dot_acc(" |
| L"border, \"border\", \"fill\", 0, 0), \"\", \"color\", 0, 0), \"\", " |
| L"\"value\", 0, 0)))\n{\n" |
| L"pfm_rt.asgn_val_op(pfm_rt.dot_acc(pfm_rt.dot_acc(" |
| L"pfm_rt.dot_acc(border, \"border\", \"fill\", 0, 0), \"\", " |
| L"\"color\", 0, 0), \"\", \"value\", 0, 0), \"20,170,13\");\n" |
| L"}\n" |
| L"}\n" |
| L"pfm_ret = this;\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, MaxParseDepth) { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(L"foo(bar[baz(fizz[0])])"); |
| parser->SetMaxParseDepthForTest(5); |
| EXPECT_EQ(nullptr, parser->Parse()); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CFXA_FMParserTest, chromium752201) { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>( |
| L"fTep a\n" |
| L".#\n" |
| L"fo@ =[=l"); |
| EXPECT_EQ(nullptr, parser->Parse()); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CXFA_FMParserTest, MultipleAssignmentIsNotAllowed) { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(L"(a=(b=t))=u"); |
| |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(!ast); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseFuncWithParams) { |
| const wchar_t input[] = { |
| L"func MyFunction(param1, param2) do\n" |
| L" param1 * param2\n" |
| L"endfunc"}; |
| |
| const wchar_t ret[] = { |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"function MyFunction(param1, param2) {\n" |
| L"var pfm_ret = null;\n" |
| L"pfm_ret = pfm_rt.mul_op(param1, param2);\n" |
| L"return pfm_ret;\n" |
| L"}\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseFuncWithoutParams) { |
| const wchar_t input[] = { |
| L"func MyFunction() do\n" |
| L" 42\n" |
| L"endfunc"}; |
| |
| const wchar_t ret[] = { |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"function MyFunction() {\n" |
| L"var pfm_ret = null;\n" |
| L"pfm_ret = 42;\n" |
| L"return pfm_ret;\n" |
| L"}\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseFuncWithBadParamsList) { |
| const wchar_t input[] = { |
| L"func MyFunction(param1,) do\n" |
| L" param1 * param2\n" |
| L"endfunc"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast == nullptr); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseBadIfExpression) { |
| const wchar_t input[] = {L"if ( then"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast == nullptr); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseBadElseIfExpression) { |
| const wchar_t input[] = { |
| L"if ($ ne -1) then\n" |
| L"elseif( then"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast == nullptr); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseDepthWithWideTree) { |
| const wchar_t input[] = {L"a <> b <> c <> d <> e <> f <> g <> h <> i <> j"}; |
| |
| { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast); |
| EXPECT_TRUE(!parser->HasError()); |
| } |
| |
| { |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| parser->SetMaxParseDepthForTest(5); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| ASSERT_TRUE(ast == nullptr); |
| EXPECT_TRUE(parser->HasError()); |
| } |
| } |
| |
| TEST(CXFA_FMParserTest, ParseCallSmall) { |
| const wchar_t input[] = {L"i.f(O)"}; |
| const wchar_t ret[] = { |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"pfm_ret = pfm_rt.get_val((function() {\n" |
| L" return pfm_method_runner(i, function(obj) {\n" |
| L" return obj.f(pfm_rt.get_val(O));\n" |
| L" });\n" |
| L"}).call(this));\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
| |
| TEST(CXFA_FMParserTest, ParseCallBig) { |
| const wchar_t input[] = {L"i.f(O.e(O.e(O)))"}; |
| const wchar_t ret[] = { |
| L"(function() {\n" |
| L"let pfm_method_runner = function(obj, cb) {\n" |
| L" if (pfm_rt.is_ary(obj)) {\n" |
| L" let pfm_method_return = null;\n" |
| L" for (var idx = obj.length -1; idx > 1; idx--) {\n" |
| L" pfm_method_return = cb(obj[idx]);\n" |
| L" }\n" |
| L" return pfm_method_return;\n" |
| L" }\n" |
| L" return cb(obj);\n" |
| L"};\n" |
| L"var pfm_ret = null;\n" |
| L"pfm_ret = pfm_rt.get_val((function() {\n" |
| L" return pfm_method_runner(i, function(obj) {\n" |
| L" return obj.f(pfm_rt.get_val((function() {\n" |
| L" return pfm_method_runner(O, function(obj) {\n" |
| L" return obj.e(pfm_rt.get_val((function() {\n" |
| L" return pfm_method_runner(O, function(obj) {\n" |
| L" return obj.e(pfm_rt.get_val(O));\n" |
| L" });\n" |
| L"}).call(this)));\n" |
| L" });\n" |
| L"}).call(this)));\n" |
| L" });\n" |
| L"}).call(this));\n" |
| L"return pfm_rt.get_val(pfm_ret);\n" |
| L"}).call(this);"}; |
| |
| auto parser = pdfium::MakeUnique<CXFA_FMParser>(input); |
| std::unique_ptr<CXFA_FMAST> ast = parser->Parse(); |
| EXPECT_FALSE(parser->HasError()); |
| |
| CXFA_FMToJavaScriptDepth::Reset(); |
| CFX_WideTextBuf buf; |
| EXPECT_TRUE(ast->ToJavaScript(buf)); |
| EXPECT_EQ(ret, buf.AsStringView()); |
| } |
