| // 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 <stddef.h> | |
| #include <string> | |
| #include "base/strings/string16.h" | |
| #include "base/strings/string_piece.h" | |
| #include "base/strings/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_EQ(e.data(), nullptr); | |
| 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_EQ(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_EQ(d.begin() + 6, d.end()); | |
| ASSERT_TRUE(e.empty()); | |
| ASSERT_EQ(e.begin(), e.end()); | |
| d.clear(); | |
| ASSERT_EQ(d.size(), 0U); | |
| ASSERT_TRUE(d.empty()); | |
| ASSERT_EQ(d.data(), nullptr); | |
| ASSERT_EQ(d.begin(), d.end()); | |
| ASSERT_GE(a.max_size(), a.capacity()); | |
| ASSERT_GE(a.capacity(), a.size()); | |
| } | |
| TYPED_TEST(CommonStringPieceTest, CheckFind) { | |
| typedef BasicStringPiece<TypeParam> Piece; | |
| 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); | |
| d.clear(); | |
| Piece e; | |
| TypeParam temp(TestFixture::as_string("123")); | |
| temp.push_back('\0'); | |
| temp += TestFixture::as_string("456"); | |
| Piece f(temp); | |
| typename TypeParam::value_type 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(Piece::npos, TypeParam::npos); | |
| ASSERT_EQ(a.find(b), 0U); | |
| ASSERT_EQ(a.find(b, 1), Piece::npos); | |
| ASSERT_EQ(a.find(c), 23U); | |
| ASSERT_EQ(a.find(c, 9), 23U); | |
| ASSERT_EQ(a.find(c, Piece::npos), Piece::npos); | |
| ASSERT_EQ(b.find(c), Piece::npos); | |
| ASSERT_EQ(b.find(c, Piece::npos), Piece::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); | |
| TypeParam not_found(TestFixture::as_string("xx not found bb")); | |
| Piece g(not_found); | |
| ASSERT_EQ(a.find(g), Piece::npos); | |
| // empty string nonsense | |
| ASSERT_EQ(d.find(b), Piece::npos); | |
| ASSERT_EQ(e.find(b), Piece::npos); | |
| ASSERT_EQ(d.find(b, 4), Piece::npos); | |
| ASSERT_EQ(e.find(b, 7), Piece::npos); | |
| size_t empty_search_pos = TypeParam().find(TypeParam()); | |
| 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('$'), Piece::npos); | |
| ASSERT_EQ(a.find('\0'), Piece::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), Piece::npos); | |
| // empty string nonsense | |
| ASSERT_EQ(d.find('\0'), Piece::npos); | |
| ASSERT_EQ(e.find('\0'), Piece::npos); | |
| ASSERT_EQ(d.find('\0', 4), Piece::npos); | |
| ASSERT_EQ(e.find('\0', 7), Piece::npos); | |
| ASSERT_EQ(d.find('x'), Piece::npos); | |
| ASSERT_EQ(e.find('x'), Piece::npos); | |
| ASSERT_EQ(d.find('x', 4), Piece::npos); | |
| ASSERT_EQ(e.find('x', 7), Piece::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), Piece::npos); | |
| ASSERT_EQ(a.rfind(c, 1U), Piece::npos); | |
| ASSERT_EQ(a.rfind(c, 0U), Piece::npos); | |
| ASSERT_EQ(b.rfind(c), Piece::npos); | |
| ASSERT_EQ(b.rfind(c, 0U), Piece::npos); | |
| ASSERT_EQ(a.rfind(d), static_cast<size_t>(a.as_string().rfind(TypeParam()))); | |
| ASSERT_EQ(a.rfind(e), a.as_string().rfind(TypeParam())); | |
| ASSERT_EQ(a.rfind(d), static_cast<size_t>(TypeParam(a).rfind(TypeParam()))); | |
| ASSERT_EQ(a.rfind(e), TypeParam(a).rfind(TypeParam())); | |
| ASSERT_EQ(a.rfind(d, 12), 12U); | |
| ASSERT_EQ(a.rfind(e, 17), 17U); | |
| ASSERT_EQ(a.rfind(g), Piece::npos); | |
| ASSERT_EQ(d.rfind(b), Piece::npos); | |
| ASSERT_EQ(e.rfind(b), Piece::npos); | |
| ASSERT_EQ(d.rfind(b, 4), Piece::npos); | |
| ASSERT_EQ(e.rfind(b, 7), Piece::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'), Piece::npos); | |
| ASSERT_EQ(g.rfind('o', 8), 8U); | |
| ASSERT_EQ(g.rfind('o', 7), 4U); | |
| ASSERT_EQ(g.rfind('o', 3), Piece::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'), Piece::npos); | |
| ASSERT_EQ(e.rfind('o'), Piece::npos); | |
| ASSERT_EQ(d.rfind('o', 4), Piece::npos); | |
| ASSERT_EQ(e.rfind('o', 7), Piece::npos); | |
| TypeParam one_two_three_four(TestFixture::as_string("one,two:three;four")); | |
| TypeParam comma_colon(TestFixture::as_string(",:")); | |
| ASSERT_EQ(3U, Piece(one_two_three_four).find_first_of(comma_colon)); | |
| 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), Piece::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), Piece::npos); | |
| ASSERT_EQ(g.find_first_of(b), 13U); | |
| ASSERT_EQ(g.find_first_of(c), 0U); | |
| ASSERT_EQ(a.find_first_of(f), Piece::npos); | |
| ASSERT_EQ(f.find_first_of(a), Piece::npos); | |
| // empty string nonsense | |
| ASSERT_EQ(a.find_first_of(d), Piece::npos); | |
| ASSERT_EQ(a.find_first_of(e), Piece::npos); | |
| ASSERT_EQ(d.find_first_of(b), Piece::npos); | |
| ASSERT_EQ(e.find_first_of(b), Piece::npos); | |
| ASSERT_EQ(d.find_first_of(d), Piece::npos); | |
| ASSERT_EQ(e.find_first_of(d), Piece::npos); | |
| ASSERT_EQ(d.find_first_of(e), Piece::npos); | |
| ASSERT_EQ(e.find_first_of(e), Piece::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), Piece::npos); | |
| ASSERT_EQ(c.find_first_not_of(a), Piece::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), Piece::npos); | |
| ASSERT_EQ(e.find_first_not_of(a), Piece::npos); | |
| ASSERT_EQ(d.find_first_not_of(d), Piece::npos); | |
| ASSERT_EQ(e.find_first_not_of(d), Piece::npos); | |
| ASSERT_EQ(d.find_first_not_of(e), Piece::npos); | |
| ASSERT_EQ(e.find_first_not_of(e), Piece::npos); | |
| TypeParam equals(TestFixture::as_string("====")); | |
| Piece h(equals); | |
| ASSERT_EQ(h.find_first_not_of('='), Piece::npos); | |
| ASSERT_EQ(h.find_first_not_of('=', 3), Piece::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'), Piece::npos); | |
| ASSERT_EQ(e.find_first_not_of('x'), Piece::npos); | |
| ASSERT_EQ(d.find_first_not_of('\0'), Piece::npos); | |
| ASSERT_EQ(e.find_first_not_of('\0'), Piece::npos); | |
| // Piece g("xx not found bb"); | |
| TypeParam fifty_six(TestFixture::as_string("56")); | |
| Piece i(fifty_six); | |
| ASSERT_EQ(h.find_last_of(a), Piece::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), Piece::npos); | |
| ASSERT_EQ(a.find_last_of('z', 25), 25U); | |
| ASSERT_EQ(a.find_last_of('z', 24), Piece::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), Piece::npos); | |
| // empty string nonsense | |
| ASSERT_EQ(f.find_last_of(d), Piece::npos); | |
| ASSERT_EQ(f.find_last_of(e), Piece::npos); | |
| ASSERT_EQ(f.find_last_of(d, 4), Piece::npos); | |
| ASSERT_EQ(f.find_last_of(e, 4), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(d), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(e), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(d), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(e), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(f), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(f), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(d, 4), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(e, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(d, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(e, 4), Piece::npos); | |
| ASSERT_EQ(d.find_last_of(f, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_of(f, 4), Piece::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), Piece::npos); | |
| ASSERT_EQ(b.find_last_not_of(b), Piece::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), Piece::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), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of(e), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(d), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(e), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of(f), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(f), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of(d, 4), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of(e, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(d, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(e, 4), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of(f, 4), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of(f, 4), Piece::npos); | |
| ASSERT_EQ(h.find_last_not_of('x'), h.size() - 1); | |
| ASSERT_EQ(h.find_last_not_of('='), Piece::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), Piece::npos); | |
| ASSERT_EQ(b.find_last_not_of('b', 1), 0U); | |
| // empty string nonsense | |
| ASSERT_EQ(d.find_last_not_of('x'), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of('x'), Piece::npos); | |
| ASSERT_EQ(d.find_last_not_of('\0'), Piece::npos); | |
| ASSERT_EQ(e.find_last_not_of('\0'), Piece::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), TestFixture::as_string("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_EQ(c, s3); | |
| TypeParam s4(e.as_string()); | |
| ASSERT_TRUE(s4.empty()); | |
| // operator STRING_TYPE() | |
| TypeParam s5(TypeParam(a).c_str(), 7); // Note, has an embedded NULL | |
| ASSERT_EQ(c, s5); | |
| TypeParam s6(e); | |
| ASSERT_TRUE(s6.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("foobar", 6); | |
| ASSERT_EQ(c, a); | |
| c.set("foobar", 0); | |
| ASSERT_EQ(c, e); | |
| c.set("foobar", 7); | |
| ASSERT_NE(c, a); | |
| } | |
| TYPED_TEST(CommonStringPieceTest, CheckNULL) { | |
| // we used to crash here, but now we don't. | |
| BasicStringPiece<TypeParam> s(nullptr); | |
| ASSERT_EQ(s.data(), nullptr); | |
| ASSERT_EQ(s.size(), 0U); | |
| s.set(nullptr); | |
| ASSERT_EQ(s.data(), nullptr); | |
| ASSERT_EQ(s.size(), 0U); | |
| TypeParam str(s); | |
| ASSERT_EQ(str.length(), 0U); | |
| ASSERT_EQ(str, 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_EQ(abc, BasicStringPiece<TypeParam>(alphabet)); | |
| ASSERT_EQ(abc.compare(BasicStringPiece<TypeParam>(alphabet)), 0); | |
| ASSERT_TRUE(abc < BasicStringPiece<TypeParam>(alphabet_z)); | |
| ASSERT_LT(abc.compare(BasicStringPiece<TypeParam>(alphabet_z)), 0); | |
| ASSERT_TRUE(abc > BasicStringPiece<TypeParam>(alphabet_y)); | |
| ASSERT_GT(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_EQ(BasicStringPiece<TypeParam>(hello), hello); | |
| ASSERT_EQ(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_EQ(str, BasicStringPiece<TypeParam>(str)); | |
| ASSERT_EQ(str, BasicStringPiece<TypeParam>(str.c_str())); | |
| ASSERT_TRUE(TestFixture::as_string("hello") == | |
| BasicStringPiece<TypeParam>(str.c_str(), 5)); | |
| ASSERT_EQ( | |
| empty, | |
| BasicStringPiece<TypeParam>( | |
| str.c_str(), | |
| static_cast<typename BasicStringPiece<TypeParam>::size_type>(0))); | |
| ASSERT_EQ(empty, BasicStringPiece<TypeParam>(nullptr)); | |
| ASSERT_TRUE( | |
| empty == | |
| BasicStringPiece<TypeParam>( | |
| nullptr, | |
| static_cast<typename BasicStringPiece<TypeParam>::size_type>(0))); | |
| ASSERT_EQ(empty, BasicStringPiece<TypeParam>()); | |
| ASSERT_EQ(str, BasicStringPiece<TypeParam>(str.begin(), str.end())); | |
| ASSERT_EQ(empty, BasicStringPiece<TypeParam>(str.begin(), str.begin())); | |
| ASSERT_EQ(empty, BasicStringPiece<TypeParam>(empty)); | |
| ASSERT_EQ(empty, BasicStringPiece<TypeParam>(empty.begin(), empty.end())); | |
| } | |
| TEST(StringPieceTest, ConstexprCtor) { | |
| { | |
| constexpr StringPiece piece; | |
| std::ignore = piece; | |
| } | |
| { | |
| constexpr StringPiece piece("abc"); | |
| std::ignore = piece; | |
| } | |
| { | |
| constexpr StringPiece piece("abc", 2); | |
| std::ignore = piece; | |
| } | |
| } | |
| TEST(StringPieceTest, ConstexprData) { | |
| { | |
| constexpr StringPiece piece; | |
| static_assert(piece.data() == nullptr, ""); | |
| } | |
| { | |
| constexpr StringPiece piece("abc"); | |
| static_assert(piece.data()[0] == 'a', ""); | |
| static_assert(piece.data()[1] == 'b', ""); | |
| static_assert(piece.data()[2] == 'c', ""); | |
| } | |
| { | |
| constexpr StringPiece piece("def", 2); | |
| static_assert(piece.data()[0] == 'd', ""); | |
| static_assert(piece.data()[1] == 'e', ""); | |
| } | |
| } | |
| TEST(StringPieceTest, ConstexprSize) { | |
| { | |
| constexpr StringPiece piece; | |
| static_assert(piece.size() == 0, ""); | |
| } | |
| { | |
| constexpr StringPiece piece("abc"); | |
| static_assert(piece.size() == 3, ""); | |
| } | |
| { | |
| constexpr StringPiece piece("def", 2); | |
| static_assert(piece.size() == 2, ""); | |
| } | |
| } | |
| TEST(StringPieceTest, Compare) { | |
| constexpr StringPiece piece = "def"; | |
| static_assert(piece.compare("ab") == 1, ""); | |
| static_assert(piece.compare("abc") == 1, ""); | |
| static_assert(piece.compare("abcd") == 1, ""); | |
| static_assert(piece.compare("de") == 1, ""); | |
| static_assert(piece.compare("def") == 0, ""); | |
| static_assert(piece.compare("defg") == -1, ""); | |
| static_assert(piece.compare("gh") == -1, ""); | |
| static_assert(piece.compare("ghi") == -1, ""); | |
| static_assert(piece.compare("ghij") == -1, ""); | |
| } | |
| TEST(StringPieceTest, StartsWith) { | |
| constexpr StringPiece piece("abc"); | |
| static_assert(piece.starts_with(""), ""); | |
| static_assert(piece.starts_with("a"), ""); | |
| static_assert(piece.starts_with("ab"), ""); | |
| static_assert(piece.starts_with("abc"), ""); | |
| static_assert(!piece.starts_with("b"), ""); | |
| static_assert(!piece.starts_with("bc"), ""); | |
| static_assert(!piece.starts_with("abcd"), ""); | |
| } | |
| TEST(StringPieceTest, EndsWith) { | |
| constexpr StringPiece piece("abc"); | |
| static_assert(piece.ends_with(""), ""); | |
| static_assert(piece.ends_with("c"), ""); | |
| static_assert(piece.ends_with("bc"), ""); | |
| static_assert(piece.ends_with("abc"), ""); | |
| static_assert(!piece.ends_with("a"), ""); | |
| static_assert(!piece.ends_with("ab"), ""); | |
| static_assert(!piece.ends_with("abcd"), ""); | |
| } | |
| } // namespace base |