| // Copyright (c) 2012 The Chromium 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 <string> |
| |
| #include "base/string16.h" |
| #include "base/string_piece.h" |
| #include "base/utf_string_conversions.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| |
| template <typename T> |
| class CommonStringPieceTest : public ::testing::Test { |
| public: |
| static const T as_string(const char* input) { |
| return T(input); |
| } |
| static const T& as_string(const T& input) { |
| return input; |
| } |
| }; |
| |
| template <> |
| class CommonStringPieceTest<string16> : public ::testing::Test { |
| public: |
| static const string16 as_string(const char* input) { |
| return ASCIIToUTF16(input); |
| } |
| static const string16 as_string(const std::string& input) { |
| return ASCIIToUTF16(input); |
| } |
| }; |
| |
| typedef ::testing::Types<std::string, string16> SupportedStringTypes; |
| |
| TYPED_TEST_CASE(CommonStringPieceTest, SupportedStringTypes); |
| |
| TYPED_TEST(CommonStringPieceTest, CheckComparisonOperators) { |
| #define CMP_Y(op, x, y) \ |
| { \ |
| TypeParam lhs(TestFixture::as_string(x)); \ |
| TypeParam rhs(TestFixture::as_string(y)); \ |
| ASSERT_TRUE( (BasicStringPiece<TypeParam>((lhs.c_str())) op \ |
| BasicStringPiece<TypeParam>((rhs.c_str())))); \ |
| ASSERT_TRUE( (BasicStringPiece<TypeParam>((lhs.c_str())).compare( \ |
| BasicStringPiece<TypeParam>((rhs.c_str()))) op 0)); \ |
| } |
| |
| #define CMP_N(op, x, y) \ |
| { \ |
| TypeParam lhs(TestFixture::as_string(x)); \ |
| TypeParam rhs(TestFixture::as_string(y)); \ |
| ASSERT_FALSE( (BasicStringPiece<TypeParam>((lhs.c_str())) op \ |
| BasicStringPiece<TypeParam>((rhs.c_str())))); \ |
| ASSERT_FALSE( (BasicStringPiece<TypeParam>((lhs.c_str())).compare( \ |
| BasicStringPiece<TypeParam>((rhs.c_str()))) op 0)); \ |
| } |
| |
| CMP_Y(==, "", ""); |
| CMP_Y(==, "a", "a"); |
| CMP_Y(==, "aa", "aa"); |
| CMP_N(==, "a", ""); |
| CMP_N(==, "", "a"); |
| CMP_N(==, "a", "b"); |
| CMP_N(==, "a", "aa"); |
| CMP_N(==, "aa", "a"); |
| |
| CMP_N(!=, "", ""); |
| CMP_N(!=, "a", "a"); |
| CMP_N(!=, "aa", "aa"); |
| CMP_Y(!=, "a", ""); |
| CMP_Y(!=, "", "a"); |
| CMP_Y(!=, "a", "b"); |
| CMP_Y(!=, "a", "aa"); |
| CMP_Y(!=, "aa", "a"); |
| |
| CMP_Y(<, "a", "b"); |
| CMP_Y(<, "a", "aa"); |
| CMP_Y(<, "aa", "b"); |
| CMP_Y(<, "aa", "bb"); |
| CMP_N(<, "a", "a"); |
| CMP_N(<, "b", "a"); |
| CMP_N(<, "aa", "a"); |
| CMP_N(<, "b", "aa"); |
| CMP_N(<, "bb", "aa"); |
| |
| CMP_Y(<=, "a", "a"); |
| CMP_Y(<=, "a", "b"); |
| CMP_Y(<=, "a", "aa"); |
| CMP_Y(<=, "aa", "b"); |
| CMP_Y(<=, "aa", "bb"); |
| CMP_N(<=, "b", "a"); |
| CMP_N(<=, "aa", "a"); |
| CMP_N(<=, "b", "aa"); |
| CMP_N(<=, "bb", "aa"); |
| |
| CMP_N(>=, "a", "b"); |
| CMP_N(>=, "a", "aa"); |
| CMP_N(>=, "aa", "b"); |
| CMP_N(>=, "aa", "bb"); |
| CMP_Y(>=, "a", "a"); |
| CMP_Y(>=, "b", "a"); |
| CMP_Y(>=, "aa", "a"); |
| CMP_Y(>=, "b", "aa"); |
| CMP_Y(>=, "bb", "aa"); |
| |
| CMP_N(>, "a", "a"); |
| CMP_N(>, "a", "b"); |
| CMP_N(>, "a", "aa"); |
| CMP_N(>, "aa", "b"); |
| CMP_N(>, "aa", "bb"); |
| CMP_Y(>, "b", "a"); |
| CMP_Y(>, "aa", "a"); |
| CMP_Y(>, "b", "aa"); |
| CMP_Y(>, "bb", "aa"); |
| |
| std::string x; |
| for (int i = 0; i < 256; i++) { |
| x += 'a'; |
| std::string y = x; |
| CMP_Y(==, x, y); |
| for (int j = 0; j < i; j++) { |
| std::string z = x; |
| z[j] = 'b'; // Differs in position 'j' |
| CMP_N(==, x, z); |
| } |
| } |
| |
| #undef CMP_Y |
| #undef CMP_N |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, CheckSTL) { |
| TypeParam alphabet(TestFixture::as_string("abcdefghijklmnopqrstuvwxyz")); |
| TypeParam abc(TestFixture::as_string("abc")); |
| TypeParam xyz(TestFixture::as_string("xyz")); |
| TypeParam foobar(TestFixture::as_string("foobar")); |
| |
| BasicStringPiece<TypeParam> a(alphabet); |
| BasicStringPiece<TypeParam> b(abc); |
| BasicStringPiece<TypeParam> c(xyz); |
| BasicStringPiece<TypeParam> d(foobar); |
| BasicStringPiece<TypeParam> e; |
| TypeParam temp(TestFixture::as_string("123")); |
| temp += static_cast<typename TypeParam::value_type>(0); |
| temp += TestFixture::as_string("456"); |
| BasicStringPiece<TypeParam> f(temp); |
| |
| ASSERT_EQ(a[6], static_cast<typename TypeParam::value_type>('g')); |
| ASSERT_EQ(b[0], static_cast<typename TypeParam::value_type>('a')); |
| ASSERT_EQ(c[2], static_cast<typename TypeParam::value_type>('z')); |
| ASSERT_EQ(f[3], static_cast<typename TypeParam::value_type>('\0')); |
| ASSERT_EQ(f[5], static_cast<typename TypeParam::value_type>('5')); |
| |
| ASSERT_EQ(*d.data(), static_cast<typename TypeParam::value_type>('f')); |
| ASSERT_EQ(d.data()[5], static_cast<typename TypeParam::value_type>('r')); |
| ASSERT_TRUE(e.data() == NULL); |
| |
| ASSERT_EQ(*a.begin(), static_cast<typename TypeParam::value_type>('a')); |
| ASSERT_EQ(*(b.begin() + 2), static_cast<typename TypeParam::value_type>('c')); |
| ASSERT_EQ(*(c.end() - 1), static_cast<typename TypeParam::value_type>('z')); |
| |
| ASSERT_EQ(*a.rbegin(), static_cast<typename TypeParam::value_type>('z')); |
| ASSERT_EQ(*(b.rbegin() + 2), |
| static_cast<typename TypeParam::value_type>('a')); |
| ASSERT_EQ(*(c.rend() - 1), static_cast<typename TypeParam::value_type>('x')); |
| ASSERT_TRUE(a.rbegin() + 26 == a.rend()); |
| |
| ASSERT_EQ(a.size(), 26U); |
| ASSERT_EQ(b.size(), 3U); |
| ASSERT_EQ(c.size(), 3U); |
| ASSERT_EQ(d.size(), 6U); |
| ASSERT_EQ(e.size(), 0U); |
| ASSERT_EQ(f.size(), 7U); |
| |
| ASSERT_TRUE(!d.empty()); |
| ASSERT_TRUE(d.begin() != d.end()); |
| ASSERT_TRUE(d.begin() + 6 == d.end()); |
| |
| ASSERT_TRUE(e.empty()); |
| ASSERT_TRUE(e.begin() == e.end()); |
| |
| d.clear(); |
| ASSERT_EQ(d.size(), 0U); |
| ASSERT_TRUE(d.empty()); |
| ASSERT_TRUE(d.data() == NULL); |
| ASSERT_TRUE(d.begin() == d.end()); |
| |
| ASSERT_GE(a.max_size(), a.capacity()); |
| ASSERT_GE(a.capacity(), a.size()); |
| } |
| |
| // STL stuff only supported by the std::string version |
| TEST(StringPieceTest, CheckSTL) { |
| StringPiece a("abcdefghijklmnopqrstuvwxyz"); |
| StringPiece b("abc"); |
| StringPiece c("xyz"); |
| StringPiece d("foobar"); |
| d.clear(); |
| StringPiece e; |
| std::string temp("123"); |
| temp += '\0'; |
| temp += "456"; |
| StringPiece f(temp); |
| |
| char buf[4] = { '%', '%', '%', '%' }; |
| ASSERT_EQ(a.copy(buf, 4), 4U); |
| ASSERT_EQ(buf[0], a[0]); |
| ASSERT_EQ(buf[1], a[1]); |
| ASSERT_EQ(buf[2], a[2]); |
| ASSERT_EQ(buf[3], a[3]); |
| ASSERT_EQ(a.copy(buf, 3, 7), 3U); |
| ASSERT_EQ(buf[0], a[7]); |
| ASSERT_EQ(buf[1], a[8]); |
| ASSERT_EQ(buf[2], a[9]); |
| ASSERT_EQ(buf[3], a[3]); |
| ASSERT_EQ(c.copy(buf, 99), 3U); |
| ASSERT_EQ(buf[0], c[0]); |
| ASSERT_EQ(buf[1], c[1]); |
| ASSERT_EQ(buf[2], c[2]); |
| ASSERT_EQ(buf[3], a[3]); |
| |
| ASSERT_EQ(StringPiece::npos, std::string::npos); |
| |
| ASSERT_EQ(a.find(b), 0U); |
| ASSERT_EQ(a.find(b, 1), StringPiece::npos); |
| ASSERT_EQ(a.find(c), 23U); |
| ASSERT_EQ(a.find(c, 9), 23U); |
| ASSERT_EQ(a.find(c, StringPiece::npos), StringPiece::npos); |
| ASSERT_EQ(b.find(c), StringPiece::npos); |
| ASSERT_EQ(b.find(c, StringPiece::npos), StringPiece::npos); |
| ASSERT_EQ(a.find(d), 0U); |
| ASSERT_EQ(a.find(e), 0U); |
| ASSERT_EQ(a.find(d, 12), 12U); |
| ASSERT_EQ(a.find(e, 17), 17U); |
| StringPiece g("xx not found bb"); |
| ASSERT_EQ(a.find(g), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(d.find(b), StringPiece::npos); |
| ASSERT_EQ(e.find(b), StringPiece::npos); |
| ASSERT_EQ(d.find(b, 4), StringPiece::npos); |
| ASSERT_EQ(e.find(b, 7), StringPiece::npos); |
| |
| size_t empty_search_pos = std::string().find(std::string()); |
| ASSERT_EQ(d.find(d), empty_search_pos); |
| ASSERT_EQ(d.find(e), empty_search_pos); |
| ASSERT_EQ(e.find(d), empty_search_pos); |
| ASSERT_EQ(e.find(e), empty_search_pos); |
| ASSERT_EQ(d.find(d, 4), std::string().find(std::string(), 4)); |
| ASSERT_EQ(d.find(e, 4), std::string().find(std::string(), 4)); |
| ASSERT_EQ(e.find(d, 4), std::string().find(std::string(), 4)); |
| ASSERT_EQ(e.find(e, 4), std::string().find(std::string(), 4)); |
| |
| ASSERT_EQ(a.find('a'), 0U); |
| ASSERT_EQ(a.find('c'), 2U); |
| ASSERT_EQ(a.find('z'), 25U); |
| ASSERT_EQ(a.find('$'), StringPiece::npos); |
| ASSERT_EQ(a.find('\0'), StringPiece::npos); |
| ASSERT_EQ(f.find('\0'), 3U); |
| ASSERT_EQ(f.find('3'), 2U); |
| ASSERT_EQ(f.find('5'), 5U); |
| ASSERT_EQ(g.find('o'), 4U); |
| ASSERT_EQ(g.find('o', 4), 4U); |
| ASSERT_EQ(g.find('o', 5), 8U); |
| ASSERT_EQ(a.find('b', 5), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(d.find('\0'), StringPiece::npos); |
| ASSERT_EQ(e.find('\0'), StringPiece::npos); |
| ASSERT_EQ(d.find('\0', 4), StringPiece::npos); |
| ASSERT_EQ(e.find('\0', 7), StringPiece::npos); |
| ASSERT_EQ(d.find('x'), StringPiece::npos); |
| ASSERT_EQ(e.find('x'), StringPiece::npos); |
| ASSERT_EQ(d.find('x', 4), StringPiece::npos); |
| ASSERT_EQ(e.find('x', 7), StringPiece::npos); |
| |
| ASSERT_EQ(a.rfind(b), 0U); |
| ASSERT_EQ(a.rfind(b, 1), 0U); |
| ASSERT_EQ(a.rfind(c), 23U); |
| ASSERT_EQ(a.rfind(c, 22U), StringPiece::npos); |
| ASSERT_EQ(a.rfind(c, 1U), StringPiece::npos); |
| ASSERT_EQ(a.rfind(c, 0U), StringPiece::npos); |
| ASSERT_EQ(b.rfind(c), StringPiece::npos); |
| ASSERT_EQ(b.rfind(c, 0U), StringPiece::npos); |
| ASSERT_EQ(a.rfind(d), (size_t) a.as_string().rfind(std::string())); |
| ASSERT_EQ(a.rfind(e), a.as_string().rfind(std::string())); |
| ASSERT_EQ(a.rfind(d, 12), 12U); |
| ASSERT_EQ(a.rfind(e, 17), 17U); |
| ASSERT_EQ(a.rfind(g), StringPiece::npos); |
| ASSERT_EQ(d.rfind(b), StringPiece::npos); |
| ASSERT_EQ(e.rfind(b), StringPiece::npos); |
| ASSERT_EQ(d.rfind(b, 4), StringPiece::npos); |
| ASSERT_EQ(e.rfind(b, 7), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(d.rfind(d, 4), std::string().rfind(std::string())); |
| ASSERT_EQ(e.rfind(d, 7), std::string().rfind(std::string())); |
| ASSERT_EQ(d.rfind(e, 4), std::string().rfind(std::string())); |
| ASSERT_EQ(e.rfind(e, 7), std::string().rfind(std::string())); |
| ASSERT_EQ(d.rfind(d), std::string().rfind(std::string())); |
| ASSERT_EQ(e.rfind(d), std::string().rfind(std::string())); |
| ASSERT_EQ(d.rfind(e), std::string().rfind(std::string())); |
| ASSERT_EQ(e.rfind(e), std::string().rfind(std::string())); |
| |
| ASSERT_EQ(g.rfind('o'), 8U); |
| ASSERT_EQ(g.rfind('q'), StringPiece::npos); |
| ASSERT_EQ(g.rfind('o', 8), 8U); |
| ASSERT_EQ(g.rfind('o', 7), 4U); |
| ASSERT_EQ(g.rfind('o', 3), StringPiece::npos); |
| ASSERT_EQ(f.rfind('\0'), 3U); |
| ASSERT_EQ(f.rfind('\0', 12), 3U); |
| ASSERT_EQ(f.rfind('3'), 2U); |
| ASSERT_EQ(f.rfind('5'), 5U); |
| // empty string nonsense |
| ASSERT_EQ(d.rfind('o'), StringPiece::npos); |
| ASSERT_EQ(e.rfind('o'), StringPiece::npos); |
| ASSERT_EQ(d.rfind('o', 4), StringPiece::npos); |
| ASSERT_EQ(e.rfind('o', 7), StringPiece::npos); |
| |
| ASSERT_EQ( |
| StringPiece("one,two:three;four").find_first_of(StringPiece(",:"), 1), |
| 3U); |
| ASSERT_EQ(a.find_first_of(b), 0U); |
| ASSERT_EQ(a.find_first_of(b, 0), 0U); |
| ASSERT_EQ(a.find_first_of(b, 1), 1U); |
| ASSERT_EQ(a.find_first_of(b, 2), 2U); |
| ASSERT_EQ(a.find_first_of(b, 3), StringPiece::npos); |
| ASSERT_EQ(a.find_first_of(c), 23U); |
| ASSERT_EQ(a.find_first_of(c, 23), 23U); |
| ASSERT_EQ(a.find_first_of(c, 24), 24U); |
| ASSERT_EQ(a.find_first_of(c, 25), 25U); |
| ASSERT_EQ(a.find_first_of(c, 26), StringPiece::npos); |
| ASSERT_EQ(g.find_first_of(b), 13U); |
| ASSERT_EQ(g.find_first_of(c), 0U); |
| ASSERT_EQ(a.find_first_of(f), StringPiece::npos); |
| ASSERT_EQ(f.find_first_of(a), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(a.find_first_of(d), StringPiece::npos); |
| ASSERT_EQ(a.find_first_of(e), StringPiece::npos); |
| ASSERT_EQ(d.find_first_of(b), StringPiece::npos); |
| ASSERT_EQ(e.find_first_of(b), StringPiece::npos); |
| ASSERT_EQ(d.find_first_of(d), StringPiece::npos); |
| ASSERT_EQ(e.find_first_of(d), StringPiece::npos); |
| ASSERT_EQ(d.find_first_of(e), StringPiece::npos); |
| ASSERT_EQ(e.find_first_of(e), StringPiece::npos); |
| |
| ASSERT_EQ(a.find_first_not_of(b), 3U); |
| ASSERT_EQ(a.find_first_not_of(c), 0U); |
| ASSERT_EQ(b.find_first_not_of(a), StringPiece::npos); |
| ASSERT_EQ(c.find_first_not_of(a), StringPiece::npos); |
| ASSERT_EQ(f.find_first_not_of(a), 0U); |
| ASSERT_EQ(a.find_first_not_of(f), 0U); |
| ASSERT_EQ(a.find_first_not_of(d), 0U); |
| ASSERT_EQ(a.find_first_not_of(e), 0U); |
| // empty string nonsense |
| ASSERT_EQ(d.find_first_not_of(a), StringPiece::npos); |
| ASSERT_EQ(e.find_first_not_of(a), StringPiece::npos); |
| ASSERT_EQ(d.find_first_not_of(d), StringPiece::npos); |
| ASSERT_EQ(e.find_first_not_of(d), StringPiece::npos); |
| ASSERT_EQ(d.find_first_not_of(e), StringPiece::npos); |
| ASSERT_EQ(e.find_first_not_of(e), StringPiece::npos); |
| |
| StringPiece h("===="); |
| ASSERT_EQ(h.find_first_not_of('='), StringPiece::npos); |
| ASSERT_EQ(h.find_first_not_of('=', 3), StringPiece::npos); |
| ASSERT_EQ(h.find_first_not_of('\0'), 0U); |
| ASSERT_EQ(g.find_first_not_of('x'), 2U); |
| ASSERT_EQ(f.find_first_not_of('\0'), 0U); |
| ASSERT_EQ(f.find_first_not_of('\0', 3), 4U); |
| ASSERT_EQ(f.find_first_not_of('\0', 2), 2U); |
| // empty string nonsense |
| ASSERT_EQ(d.find_first_not_of('x'), StringPiece::npos); |
| ASSERT_EQ(e.find_first_not_of('x'), StringPiece::npos); |
| ASSERT_EQ(d.find_first_not_of('\0'), StringPiece::npos); |
| ASSERT_EQ(e.find_first_not_of('\0'), StringPiece::npos); |
| |
| // StringPiece g("xx not found bb"); |
| StringPiece i("56"); |
| ASSERT_EQ(h.find_last_of(a), StringPiece::npos); |
| ASSERT_EQ(g.find_last_of(a), g.size()-1); |
| ASSERT_EQ(a.find_last_of(b), 2U); |
| ASSERT_EQ(a.find_last_of(c), a.size()-1); |
| ASSERT_EQ(f.find_last_of(i), 6U); |
| ASSERT_EQ(a.find_last_of('a'), 0U); |
| ASSERT_EQ(a.find_last_of('b'), 1U); |
| ASSERT_EQ(a.find_last_of('z'), 25U); |
| ASSERT_EQ(a.find_last_of('a', 5), 0U); |
| ASSERT_EQ(a.find_last_of('b', 5), 1U); |
| ASSERT_EQ(a.find_last_of('b', 0), StringPiece::npos); |
| ASSERT_EQ(a.find_last_of('z', 25), 25U); |
| ASSERT_EQ(a.find_last_of('z', 24), StringPiece::npos); |
| ASSERT_EQ(f.find_last_of(i, 5), 5U); |
| ASSERT_EQ(f.find_last_of(i, 6), 6U); |
| ASSERT_EQ(f.find_last_of(a, 4), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(f.find_last_of(d), StringPiece::npos); |
| ASSERT_EQ(f.find_last_of(e), StringPiece::npos); |
| ASSERT_EQ(f.find_last_of(d, 4), StringPiece::npos); |
| ASSERT_EQ(f.find_last_of(e, 4), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(d), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(e), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(d), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(e), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(f), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(f), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(d, 4), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(e, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(d, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(e, 4), StringPiece::npos); |
| ASSERT_EQ(d.find_last_of(f, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_of(f, 4), StringPiece::npos); |
| |
| ASSERT_EQ(a.find_last_not_of(b), a.size()-1); |
| ASSERT_EQ(a.find_last_not_of(c), 22U); |
| ASSERT_EQ(b.find_last_not_of(a), StringPiece::npos); |
| ASSERT_EQ(b.find_last_not_of(b), StringPiece::npos); |
| ASSERT_EQ(f.find_last_not_of(i), 4U); |
| ASSERT_EQ(a.find_last_not_of(c, 24), 22U); |
| ASSERT_EQ(a.find_last_not_of(b, 3), 3U); |
| ASSERT_EQ(a.find_last_not_of(b, 2), StringPiece::npos); |
| // empty string nonsense |
| ASSERT_EQ(f.find_last_not_of(d), f.size()-1); |
| ASSERT_EQ(f.find_last_not_of(e), f.size()-1); |
| ASSERT_EQ(f.find_last_not_of(d, 4), 4U); |
| ASSERT_EQ(f.find_last_not_of(e, 4), 4U); |
| ASSERT_EQ(d.find_last_not_of(d), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of(e), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(d), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(e), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of(f), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(f), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of(d, 4), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of(e, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(d, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(e, 4), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of(f, 4), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of(f, 4), StringPiece::npos); |
| |
| ASSERT_EQ(h.find_last_not_of('x'), h.size() - 1); |
| ASSERT_EQ(h.find_last_not_of('='), StringPiece::npos); |
| ASSERT_EQ(b.find_last_not_of('c'), 1U); |
| ASSERT_EQ(h.find_last_not_of('x', 2), 2U); |
| ASSERT_EQ(h.find_last_not_of('=', 2), StringPiece::npos); |
| ASSERT_EQ(b.find_last_not_of('b', 1), 0U); |
| // empty string nonsense |
| ASSERT_EQ(d.find_last_not_of('x'), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of('x'), StringPiece::npos); |
| ASSERT_EQ(d.find_last_not_of('\0'), StringPiece::npos); |
| ASSERT_EQ(e.find_last_not_of('\0'), StringPiece::npos); |
| |
| ASSERT_EQ(a.substr(0, 3), b); |
| ASSERT_EQ(a.substr(23), c); |
| ASSERT_EQ(a.substr(23, 3), c); |
| ASSERT_EQ(a.substr(23, 99), c); |
| ASSERT_EQ(a.substr(0), a); |
| ASSERT_EQ(a.substr(3, 2), "de"); |
| // empty string nonsense |
| ASSERT_EQ(a.substr(99, 2), e); |
| ASSERT_EQ(d.substr(99), e); |
| ASSERT_EQ(d.substr(0, 99), e); |
| ASSERT_EQ(d.substr(99, 99), e); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, CheckCustom) { |
| TypeParam foobar(TestFixture::as_string("foobar")); |
| BasicStringPiece<TypeParam> a(foobar); |
| TypeParam s1(TestFixture::as_string("123")); |
| s1 += static_cast<typename TypeParam::value_type>('\0'); |
| s1 += TestFixture::as_string("456"); |
| BasicStringPiece<TypeParam> b(s1); |
| BasicStringPiece<TypeParam> e; |
| TypeParam s2; |
| |
| // remove_prefix |
| BasicStringPiece<TypeParam> c(a); |
| c.remove_prefix(3); |
| ASSERT_EQ(c, TestFixture::as_string("bar")); |
| c = a; |
| c.remove_prefix(0); |
| ASSERT_EQ(c, a); |
| c.remove_prefix(c.size()); |
| ASSERT_EQ(c, e); |
| |
| // remove_suffix |
| c = a; |
| c.remove_suffix(3); |
| ASSERT_EQ(c, TestFixture::as_string("foo")); |
| c = a; |
| c.remove_suffix(0); |
| ASSERT_EQ(c, a); |
| c.remove_suffix(c.size()); |
| ASSERT_EQ(c, e); |
| |
| // set |
| c.set(foobar.c_str()); |
| ASSERT_EQ(c, a); |
| c.set(foobar.c_str(), 6); |
| ASSERT_EQ(c, a); |
| c.set(foobar.c_str(), 0); |
| ASSERT_EQ(c, e); |
| c.set(foobar.c_str(), 7); // Note, has an embedded NULL |
| ASSERT_NE(c, a); |
| |
| // as_string |
| TypeParam s3(a.as_string().c_str(), 7); // Note, has an embedded NULL |
| ASSERT_TRUE(c == s3); |
| TypeParam s4(e.as_string()); |
| ASSERT_TRUE(s4.empty()); |
| } |
| |
| TEST(StringPieceTest, CheckCustom) { |
| StringPiece a("foobar"); |
| std::string s1("123"); |
| s1 += '\0'; |
| s1 += "456"; |
| StringPiece b(s1); |
| StringPiece e; |
| std::string s2; |
| |
| // CopyToString |
| a.CopyToString(&s2); |
| ASSERT_EQ(s2.size(), 6U); |
| ASSERT_EQ(s2, "foobar"); |
| b.CopyToString(&s2); |
| ASSERT_EQ(s2.size(), 7U); |
| ASSERT_EQ(s1, s2); |
| e.CopyToString(&s2); |
| ASSERT_TRUE(s2.empty()); |
| |
| // AppendToString |
| s2.erase(); |
| a.AppendToString(&s2); |
| ASSERT_EQ(s2.size(), 6U); |
| ASSERT_EQ(s2, "foobar"); |
| a.AppendToString(&s2); |
| ASSERT_EQ(s2.size(), 12U); |
| ASSERT_EQ(s2, "foobarfoobar"); |
| |
| // starts_with |
| ASSERT_TRUE(a.starts_with(a)); |
| ASSERT_TRUE(a.starts_with("foo")); |
| ASSERT_TRUE(a.starts_with(e)); |
| ASSERT_TRUE(b.starts_with(s1)); |
| ASSERT_TRUE(b.starts_with(b)); |
| ASSERT_TRUE(b.starts_with(e)); |
| ASSERT_TRUE(e.starts_with("")); |
| ASSERT_TRUE(!a.starts_with(b)); |
| ASSERT_TRUE(!b.starts_with(a)); |
| ASSERT_TRUE(!e.starts_with(a)); |
| |
| // ends with |
| ASSERT_TRUE(a.ends_with(a)); |
| ASSERT_TRUE(a.ends_with("bar")); |
| ASSERT_TRUE(a.ends_with(e)); |
| ASSERT_TRUE(b.ends_with(s1)); |
| ASSERT_TRUE(b.ends_with(b)); |
| ASSERT_TRUE(b.ends_with(e)); |
| ASSERT_TRUE(e.ends_with("")); |
| ASSERT_TRUE(!a.ends_with(b)); |
| ASSERT_TRUE(!b.ends_with(a)); |
| ASSERT_TRUE(!e.ends_with(a)); |
| |
| StringPiece c; |
| c.set(static_cast<const void*>("foobar"), 6); |
| ASSERT_EQ(c, a); |
| c.set(static_cast<const void*>("foobar"), 0); |
| ASSERT_EQ(c, e); |
| c.set(static_cast<const void*>("foobar"), 7); |
| ASSERT_NE(c, a); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, CheckNULL) { |
| // we used to crash here, but now we don't. |
| BasicStringPiece<TypeParam> s(NULL); |
| ASSERT_EQ(s.data(), (const typename TypeParam::value_type*)NULL); |
| ASSERT_EQ(s.size(), 0U); |
| |
| s.set(NULL); |
| ASSERT_EQ(s.data(), (const typename TypeParam::value_type*)NULL); |
| ASSERT_EQ(s.size(), 0U); |
| |
| TypeParam str = s.as_string(); |
| ASSERT_EQ(str.length(), 0U); |
| ASSERT_EQ(str, TypeParam()); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, CheckComparisons2) { |
| TypeParam alphabet(TestFixture::as_string("abcdefghijklmnopqrstuvwxyz")); |
| TypeParam alphabet_z(TestFixture::as_string("abcdefghijklmnopqrstuvwxyzz")); |
| TypeParam alphabet_y(TestFixture::as_string("abcdefghijklmnopqrstuvwxyy")); |
| BasicStringPiece<TypeParam> abc(alphabet); |
| |
| // check comparison operations on strings longer than 4 bytes. |
| ASSERT_TRUE(abc == BasicStringPiece<TypeParam>(alphabet)); |
| ASSERT_TRUE(abc.compare(BasicStringPiece<TypeParam>(alphabet)) == 0); |
| |
| ASSERT_TRUE(abc < BasicStringPiece<TypeParam>(alphabet_z)); |
| ASSERT_TRUE(abc.compare(BasicStringPiece<TypeParam>(alphabet_z)) < 0); |
| |
| ASSERT_TRUE(abc > BasicStringPiece<TypeParam>(alphabet_y)); |
| ASSERT_TRUE(abc.compare(BasicStringPiece<TypeParam>(alphabet_y)) > 0); |
| } |
| |
| // Test operations only supported by std::string version. |
| TEST(StringPieceTest, CheckComparisons2) { |
| StringPiece abc("abcdefghijklmnopqrstuvwxyz"); |
| |
| // starts_with |
| ASSERT_TRUE(abc.starts_with(abc)); |
| ASSERT_TRUE(abc.starts_with("abcdefghijklm")); |
| ASSERT_TRUE(!abc.starts_with("abcdefguvwxyz")); |
| |
| // ends_with |
| ASSERT_TRUE(abc.ends_with(abc)); |
| ASSERT_TRUE(!abc.ends_with("abcdefguvwxyz")); |
| ASSERT_TRUE(abc.ends_with("nopqrstuvwxyz")); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, StringCompareNotAmbiguous) { |
| ASSERT_TRUE(TestFixture::as_string("hello").c_str() == |
| TestFixture::as_string("hello")); |
| ASSERT_TRUE(TestFixture::as_string("hello").c_str() < |
| TestFixture::as_string("world")); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, HeterogenousStringPieceEquals) { |
| TypeParam hello(TestFixture::as_string("hello")); |
| |
| ASSERT_TRUE(BasicStringPiece<TypeParam>(hello) == hello); |
| ASSERT_TRUE(hello.c_str() == BasicStringPiece<TypeParam>(hello)); |
| } |
| |
| // string16-specific stuff |
| TEST(StringPiece16Test, CheckSTL) { |
| // Check some non-ascii characters. |
| string16 fifth(ASCIIToUTF16("123")); |
| fifth.push_back(0x0000); |
| fifth.push_back(0xd8c5); |
| fifth.push_back(0xdffe); |
| StringPiece16 f(fifth); |
| |
| ASSERT_EQ(f[3], '\0'); |
| ASSERT_EQ(f[5], static_cast<char16>(0xdffe)); |
| |
| ASSERT_EQ(f.size(), 6U); |
| } |
| |
| |
| |
| TEST(StringPiece16Test, CheckConversion) { |
| // Make sure that we can convert from UTF8 to UTF16 and back. We use a two |
| // byte character (G clef) to test this. |
| ASSERT_EQ( |
| UTF16ToUTF8( |
| StringPiece16(UTF8ToUTF16("\xf0\x9d\x84\x9e")).as_string()), |
| "\xf0\x9d\x84\x9e"); |
| } |
| |
| TYPED_TEST(CommonStringPieceTest, CheckConstructors) { |
| TypeParam str(TestFixture::as_string("hello world")); |
| TypeParam empty; |
| |
| ASSERT_TRUE(str == BasicStringPiece<TypeParam>(str)); |
| ASSERT_TRUE(str == BasicStringPiece<TypeParam>(str.c_str())); |
| ASSERT_TRUE(TestFixture::as_string("hello") == |
| BasicStringPiece<TypeParam>(str.c_str(), 5)); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(str.c_str(), 0U)); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(NULL)); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(NULL, 0U)); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>()); |
| ASSERT_TRUE(str == BasicStringPiece<TypeParam>(str.begin(), str.end())); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(str.begin(), str.begin())); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(empty)); |
| ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(empty.begin(), empty.end())); |
| } |
| |
| } // namespace base |
