rlz/lib/string_utils_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Unit test for string manipulation functions used in the RLZ library.
   6
   7 #include "rlz/lib/string_utils.h"
   8
   9 #include "base/basictypes.h"
  10 #include "base/logging.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "rlz/lib/assert.h"
  13 #include "testing/gmock/include/gmock/gmock.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15
  16 TEST(StringUtilsUnittest, IsAscii) {
  17   rlz_lib::SetExpectedAssertion("");
  18
  19   char bad_letters[] = {'\x80', '\xA0', '\xFF'};
  20   for (size_t i = 0; i < arraysize(bad_letters); ++i)
  21     EXPECT_FALSE(rlz_lib::IsAscii(bad_letters[i]));
  22
  23   char good_letters[] = {'A', '~', '\n', 0x7F, 0x00};
  24   for (size_t i = 0; i < arraysize(good_letters); ++i)
  25     EXPECT_TRUE(rlz_lib::IsAscii(good_letters[i]));
  26 }
  27
  28 TEST(StringUtilsUnittest, HexStringToInteger) {
  29   rlz_lib::SetExpectedAssertion("HexStringToInteger: text is NULL.");
  30   EXPECT_EQ(0, rlz_lib::HexStringToInteger(NULL));
  31
  32   rlz_lib::SetExpectedAssertion("");
  33   EXPECT_EQ(0, rlz_lib::HexStringToInteger(""));
  34   EXPECT_EQ(0, rlz_lib::HexStringToInteger("   "));
  35   EXPECT_EQ(0, rlz_lib::HexStringToInteger("  0x  "));
  36   EXPECT_EQ(0, rlz_lib::HexStringToInteger("  0x0  "));
  37   EXPECT_EQ(0x12345, rlz_lib::HexStringToInteger("12345"));
  38   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("a34Ed0"));
  39   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0"));
  40   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("   0xa34Ed0"));
  41   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0   "));
  42   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("   0xa34Ed0   "));
  43   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("   0x000a34Ed0   "));
  44   EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("   000a34Ed0   "));
  45
  46   rlz_lib::SetExpectedAssertion(
  47       "HexStringToInteger: text contains non-hex characters.");
  48   EXPECT_EQ(0x12ff, rlz_lib::HexStringToInteger("12ffg"));
  49   EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
  50   EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
  51   EXPECT_EQ(0, rlz_lib::HexStringToInteger("g12f"));
  52   EXPECT_EQ(0, rlz_lib::HexStringToInteger("  0x0  \n"));
  53
  54   rlz_lib::SetExpectedAssertion("");
  55 }
  56
  57 TEST(StringUtilsUnittest, TestBytesToString) {
  58   unsigned char data[] = {0x1E, 0x00, 0x21, 0x67, 0xFF};
  59   std::string result;
  60
  61   EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, &result));
  62   EXPECT_FALSE(rlz_lib::BytesToString(data, 5, NULL));
  63   EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, NULL));
  64
  65   EXPECT_TRUE(rlz_lib::BytesToString(data, 5, &result));
  66   EXPECT_EQ(std::string("1E002167FF"), result);
  67   EXPECT_TRUE(rlz_lib::BytesToString(data, 4, &result));
  68   EXPECT_EQ(std::string("1E002167"), result);
  69 }