From 488b7ad845d6de212d89cd957303b294ecfa5922 Mon Sep 17 00:00:00 2001
From: dsinclair <dsinclair@chromium.org>
Date: Tue, 4 Oct 2016 11:55:50 -0700
Subject: Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser

BUG=pdfium:603

Review-Url: https://codereview.chromium.org/2392603004
---
 .../fpdfapi/parser/cpdf_simple_parser_unittest.cpp | 96 ++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 core/fpdfapi/parser/cpdf_simple_parser_unittest.cpp

(limited to 'core/fpdfapi/parser/cpdf_simple_parser_unittest.cpp')

diff --git a/core/fpdfapi/parser/cpdf_simple_parser_unittest.cpp b/core/fpdfapi/parser/cpdf_simple_parser_unittest.cpp
new file mode 100644
index 0000000000..5f56b948cd
--- /dev/null
+++ b/core/fpdfapi/parser/cpdf_simple_parser_unittest.cpp
@@ -0,0 +1,96 @@
+// Copyright 2016 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 "core/fpdfapi/parser/cpdf_simple_parser.h"
+
+#include <string>
+
+#include "core/fpdfapi/parser/fpdf_parser_utility.h"
+#include "core/fxcrt/fx_basic.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/test_support.h"
+
+TEST(SimpleParserTest, GetWord) {
+  pdfium::StrFuncTestData test_data[] = {
+      // Empty src string.
+      STR_IN_OUT_CASE("", ""),
+      // Content with whitespaces only.
+      STR_IN_OUT_CASE(" \t \0 \n", ""),
+      // Content with comments only.
+      STR_IN_OUT_CASE("%this is a test case\r\n%2nd line", ""),
+      // Mixed whitespaces and comments.
+      STR_IN_OUT_CASE(" \t \0%try()%haha\n %another line \aa", ""),
+      // Name.
+      STR_IN_OUT_CASE(" /Tester ", "/Tester"),
+      // String.
+      STR_IN_OUT_CASE("\t(nice day)!\n ", "(nice day)"),
+      // String with nested braces.
+      STR_IN_OUT_CASE("\t(It is a (long) day)!\n ", "(It is a (long) day)"),
+      // String with escaped chars.
+      STR_IN_OUT_CASE("\t(It is a \\(long\\) day!)hi\n ",
+                      "(It is a \\(long\\) day!)"),
+      // Hex string.
+      STR_IN_OUT_CASE(" \n<4545acdfedertt>abc ", "<4545acdfedertt>"),
+      STR_IN_OUT_CASE(" \n<4545a<ed>ertt>abc ", "<4545a<ed>"),
+      // Dictionary.
+      STR_IN_OUT_CASE("<</oc 234 /color 2 3 R>>", "<<"),
+      STR_IN_OUT_CASE("\t\t<< /abc>>", "<<"),
+      // Handling ending delimiters.
+      STR_IN_OUT_CASE("> little bear", ">"),
+      STR_IN_OUT_CASE(") another bear", ")"), STR_IN_OUT_CASE(">> end ", ">>"),
+      // No ending delimiters.
+      STR_IN_OUT_CASE("(sdfgfgbcv", "(sdfgfgbcv"),
+      // Regular cases.
+      STR_IN_OUT_CASE("apple pear", "apple"),
+      STR_IN_OUT_CASE(" pi=3.1415 ", "pi=3.1415"),
+      STR_IN_OUT_CASE(" p t x c ", "p"), STR_IN_OUT_CASE(" pt\0xc ", "pt"),
+      STR_IN_OUT_CASE(" $^&&*\t\0sdff ", "$^&&*"),
+      STR_IN_OUT_CASE("\n\r+3.5656 -11.0", "+3.5656"),
+  };
+  for (size_t i = 0; i < FX_ArraySize(test_data); ++i) {
+    const pdfium::StrFuncTestData& data = test_data[i];
+    CPDF_SimpleParser parser(data.input, data.input_size);
+    CFX_ByteStringC word = parser.GetWord();
+    EXPECT_EQ(std::string(reinterpret_cast<const char*>(data.expected),
+                          data.expected_size),
+              std::string(word.c_str(), word.GetLength()))
+        << " for case " << i;
+  }
+}
+
+TEST(SimpleParserTest, FindTagParamFromStart) {
+  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 < FX_ArraySize(test_data); ++i) {
+    const FindTagTestStruct& data = test_data[i];
+    CPDF_SimpleParser parser(data.input, data.input_size);
+    EXPECT_EQ(data.result,
+              parser.FindTagParamFromStart(data.token, data.num_params))
+        << " for case " << i;
+    EXPECT_EQ(data.result_pos, parser.GetCurPos()) << " for case " << i;
+  }
+}
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