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// 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_FMFunctionDefinition> ast = parser->Parse();
ASSERT(ast != nullptr);
EXPECT_FALSE(parser->HasError());
CXFA_FMToJavaScriptDepth::Reset();
CFX_WideTextBuf buf;
EXPECT_TRUE(ast->ToJavaScript(buf, ReturnType::kInfered));
// 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_FMFunctionDefinition> ast = parser->Parse();
ASSERT(ast != nullptr);
// 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, ReturnType::kInfered));
EXPECT_EQ(L"// comments only", buf.AsStringView());
}
TEST(CXFA_FMParserTest, CommentThenValue) {
const wchar_t ret[] =
L"(\nfunction ()\n{\n"
L"var pfm_ret = null;\n"
L"pfm_ret = 12;\n"
L"return pfm_rt.get_val(pfm_ret);\n"
L"}\n).call(this);\n";
auto parser = pdfium::MakeUnique<CXFA_FMParser>(L"; Just comment\n12");
std::unique_ptr<CXFA_FMFunctionDefinition> ast = parser->Parse();
ASSERT(ast != nullptr);
EXPECT_FALSE(parser->HasError());
CXFA_FMToJavaScriptDepth::Reset();
CFX_WideTextBuf buf;
EXPECT_TRUE(ast->ToJavaScript(buf, ReturnType::kInfered));
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"else\n"
L" border.fill.color.value = \"20,170,13\";\n"
L"endif\n"
L"\n"
L"$";
const wchar_t ret[] =
L"(\nfunction ()\n{\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\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), \"20,170,13\");\n"
L"}\n"
L"}\n"
L"pfm_ret = this;\n"
L"return pfm_rt.get_val(pfm_ret);\n"
L"}\n).call(this);\n";
auto parser = pdfium::MakeUnique<CXFA_FMParser>(input);
std::unique_ptr<CXFA_FMFunctionDefinition> ast = parser->Parse();
ASSERT(ast != nullptr);
EXPECT_FALSE(parser->HasError());
CXFA_FMToJavaScriptDepth::Reset();
CFX_WideTextBuf buf;
EXPECT_TRUE(ast->ToJavaScript(buf, ReturnType::kInfered));
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_FMFunctionDefinition> ast = parser->Parse();
ASSERT(ast == nullptr);
EXPECT_TRUE(parser->HasError());
}
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