string_utils_unittest.cc 2.7 KB

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  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. #include "rlz/lib/string_utils.h"
  7. #include <stddef.h>
  8. #include "base/strings/utf_string_conversions.h"
  9. #include "rlz/lib/assert.h"
  10. #include "testing/gmock/include/gmock/gmock.h"
  11. #include "testing/gtest/include/gtest/gtest.h"
  12. TEST(StringUtilsUnittest, IsAscii) {
  13. rlz_lib::SetExpectedAssertion("");
  14. char bad_letters[] = {'\x80', '\xA0', '\xFF'};
  15. for (size_t i = 0; i < std::size(bad_letters); ++i)
  16. EXPECT_FALSE(rlz_lib::IsAscii(bad_letters[i]));
  17. char good_letters[] = {'A', '~', '\n', 0x7F, 0x00};
  18. for (size_t i = 0; i < std::size(good_letters); ++i)
  19. EXPECT_TRUE(rlz_lib::IsAscii(good_letters[i]));
  20. }
  21. TEST(StringUtilsUnittest, HexStringToInteger) {
  22. rlz_lib::SetExpectedAssertion("HexStringToInteger: text is NULL.");
  23. EXPECT_EQ(0, rlz_lib::HexStringToInteger(NULL));
  24. rlz_lib::SetExpectedAssertion("");
  25. EXPECT_EQ(0, rlz_lib::HexStringToInteger(""));
  26. EXPECT_EQ(0, rlz_lib::HexStringToInteger(" "));
  27. EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x "));
  28. EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x0 "));
  29. EXPECT_EQ(0x12345, rlz_lib::HexStringToInteger("12345"));
  30. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("a34Ed0"));
  31. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0"));
  32. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0xa34Ed0"));
  33. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger("0xa34Ed0 "));
  34. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0xa34Ed0 "));
  35. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 0x000a34Ed0 "));
  36. EXPECT_EQ(0xa34Ed0, rlz_lib::HexStringToInteger(" 000a34Ed0 "));
  37. rlz_lib::SetExpectedAssertion(
  38. "HexStringToInteger: text contains non-hex characters.");
  39. EXPECT_EQ(0x12ff, rlz_lib::HexStringToInteger("12ffg"));
  40. EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
  41. EXPECT_EQ(0x12f, rlz_lib::HexStringToInteger("12f 121"));
  42. EXPECT_EQ(0, rlz_lib::HexStringToInteger("g12f"));
  43. EXPECT_EQ(0, rlz_lib::HexStringToInteger(" 0x0 \n"));
  44. rlz_lib::SetExpectedAssertion("");
  45. }
  46. TEST(StringUtilsUnittest, TestBytesToString) {
  47. unsigned char data[] = {0x1E, 0x00, 0x21, 0x67, 0xFF};
  48. std::string result;
  49. EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, &result));
  50. EXPECT_FALSE(rlz_lib::BytesToString(data, 5, NULL));
  51. EXPECT_FALSE(rlz_lib::BytesToString(NULL, 5, NULL));
  52. EXPECT_TRUE(rlz_lib::BytesToString(data, 5, &result));
  53. EXPECT_EQ(std::string("1E002167FF"), result);
  54. EXPECT_TRUE(rlz_lib::BytesToString(data, 4, &result));
  55. EXPECT_EQ(std::string("1E002167"), result);
  56. }