// Copyright 2016 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
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#include <string>
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#include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h"
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#include "core/fxcrt/include/fx_basic.h"
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#include "testing/gtest/include/gtest/gtest.h"
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#include "testing/test_support.h"
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TEST(SimpleParserTest, GetWord) {
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pdfium::StrFuncTestData test_data[] = {
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// Empty src string.
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STR_IN_OUT_CASE("", ""),
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// Content with whitespaces only.
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STR_IN_OUT_CASE(" \t \0 \n", ""),
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// Content with comments only.
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STR_IN_OUT_CASE("%this is a test case\r\n%2nd line", ""),
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// Mixed whitespaces and comments.
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STR_IN_OUT_CASE(" \t \0%try()%haha\n %another line \aa", ""),
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// Name.
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STR_IN_OUT_CASE(" /Tester ", "/Tester"),
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// String.
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STR_IN_OUT_CASE("\t(nice day)!\n ", "(nice day)"),
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// String with nested braces.
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STR_IN_OUT_CASE("\t(It is a (long) day)!\n ", "(It is a (long) day)"),
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// String with escaped chars.
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STR_IN_OUT_CASE("\t(It is a \\(long\\) day!)hi\n ",
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"(It is a \\(long\\) day!)"),
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// Hex string.
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STR_IN_OUT_CASE(" \n<4545acdfedertt>abc ", "<4545acdfedertt>"),
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STR_IN_OUT_CASE(" \n<4545a<ed>ertt>abc ", "<4545a<ed>"),
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// Dictionary.
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STR_IN_OUT_CASE("<</oc 234 /color 2 3 R>>", "<<"),
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STR_IN_OUT_CASE("\t\t<< /abc>>", "<<"),
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// Handling ending delimiters.
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STR_IN_OUT_CASE("> little bear", ">"),
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STR_IN_OUT_CASE(") another bear", ")"), STR_IN_OUT_CASE(">> end ", ">>"),
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// No ending delimiters.
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STR_IN_OUT_CASE("(sdfgfgbcv", "(sdfgfgbcv"),
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// Regular cases.
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STR_IN_OUT_CASE("apple pear", "apple"),
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STR_IN_OUT_CASE(" pi=3.1415 ", "pi=3.1415"),
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STR_IN_OUT_CASE(" p t x c ", "p"), STR_IN_OUT_CASE(" pt\0xc ", "pt"),
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STR_IN_OUT_CASE(" $^&&*\t\0sdff ", "$^&&*"),
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STR_IN_OUT_CASE("\n\r+3.5656 -11.0", "+3.5656"),
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};
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for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
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const pdfium::StrFuncTestData& data = test_data[i];
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CPDF_SimpleParser parser(data.input, data.input_size);
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CFX_ByteStringC word = parser.GetWord();
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EXPECT_EQ(std::string(reinterpret_cast<const char*>(data.expected),
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data.expected_size),
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std::string(word.c_str(), word.GetLength()))
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<< " for case " << i;
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}
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}
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TEST(SimpleParserTest, FindTagParamFromStart) {
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struct FindTagTestStruct {
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const unsigned char* input;
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unsigned int input_size;
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const char* token;
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int num_params;
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bool result;
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unsigned int result_pos;
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} test_data[] = {
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// Empty strings.
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STR_IN_TEST_CASE("", "Tj", 1, false, 0),
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STR_IN_TEST_CASE("", "", 1, false, 0),
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// Empty token.
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STR_IN_TEST_CASE(" T j", "", 1, false, 5),
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// No parameter.
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STR_IN_TEST_CASE("Tj", "Tj", 1, false, 2),
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STR_IN_TEST_CASE("(Tj", "Tj", 1, false, 3),
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// Partial token match.
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STR_IN_TEST_CASE("\r12\t34 56 78Tj", "Tj", 1, false, 15),
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// Regular cases with various parameters.
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STR_IN_TEST_CASE("\r\0abd Tj", "Tj", 1, true, 0),
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STR_IN_TEST_CASE("12 4 Tj 3 46 Tj", "Tj", 1, true, 2),
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STR_IN_TEST_CASE("er^ 2 (34) (5667) Tj", "Tj", 2, true, 5),
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STR_IN_TEST_CASE("<344> (232)\t343.4\n12 45 Tj", "Tj", 3, true, 11),
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STR_IN_TEST_CASE("1 2 3 4 5 6 7 8 cm", "cm", 6, true, 3),
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};
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for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
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const FindTagTestStruct& data = test_data[i];
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CPDF_SimpleParser parser(data.input, data.input_size);
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EXPECT_EQ(data.result,
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parser.FindTagParamFromStart(data.token, data.num_params))
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<< " for case " << i;
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EXPECT_EQ(data.result_pos, parser.GetCurPos()) << " for case " << i;
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}
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}
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