// 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 #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 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 : 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 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((lhs.c_str())) op \ BasicStringPiece((rhs.c_str())))); \ ASSERT_TRUE( (BasicStringPiece((lhs.c_str())).compare( \ BasicStringPiece((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((lhs.c_str())) op \ BasicStringPiece((rhs.c_str())))); \ ASSERT_FALSE( (BasicStringPiece((lhs.c_str())).compare( \ BasicStringPiece((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 a(alphabet); BasicStringPiece b(abc); BasicStringPiece c(xyz); BasicStringPiece d(foobar); BasicStringPiece e; TypeParam temp(TestFixture::as_string("123")); temp += static_cast(0); temp += TestFixture::as_string("456"); BasicStringPiece f(temp); ASSERT_EQ(a[6], static_cast('g')); ASSERT_EQ(b[0], static_cast('a')); ASSERT_EQ(c[2], static_cast('z')); ASSERT_EQ(f[3], static_cast('\0')); ASSERT_EQ(f[5], static_cast('5')); ASSERT_EQ(*d.data(), static_cast('f')); ASSERT_EQ(d.data()[5], static_cast('r')); ASSERT_TRUE(e.data() == NULL); ASSERT_EQ(*a.begin(), static_cast('a')); ASSERT_EQ(*(b.begin() + 2), static_cast('c')); ASSERT_EQ(*(c.end() - 1), static_cast('z')); ASSERT_EQ(*a.rbegin(), static_cast('z')); ASSERT_EQ(*(b.rbegin() + 2), static_cast('a')); ASSERT_EQ(*(c.rend() - 1), static_cast('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 a(foobar); TypeParam s1(TestFixture::as_string("123")); s1 += static_cast('\0'); s1 += TestFixture::as_string("456"); BasicStringPiece b(s1); BasicStringPiece e; TypeParam s2; // remove_prefix BasicStringPiece 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("foobar"), 6); ASSERT_EQ(c, a); c.set(static_cast("foobar"), 0); ASSERT_EQ(c, e); c.set(static_cast("foobar"), 7); ASSERT_NE(c, a); } TYPED_TEST(CommonStringPieceTest, CheckNULL) { // we used to crash here, but now we don't. BasicStringPiece 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 abc(alphabet); // check comparison operations on strings longer than 4 bytes. ASSERT_TRUE(abc == BasicStringPiece(alphabet)); ASSERT_TRUE(abc.compare(BasicStringPiece(alphabet)) == 0); ASSERT_TRUE(abc < BasicStringPiece(alphabet_z)); ASSERT_TRUE(abc.compare(BasicStringPiece(alphabet_z)) < 0); ASSERT_TRUE(abc > BasicStringPiece(alphabet_y)); ASSERT_TRUE(abc.compare(BasicStringPiece(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(hello) == hello); ASSERT_TRUE(hello.c_str() == BasicStringPiece(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(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(str)); ASSERT_TRUE(str == BasicStringPiece(str.c_str())); ASSERT_TRUE(TestFixture::as_string("hello") == BasicStringPiece(str.c_str(), 5)); ASSERT_TRUE(empty == BasicStringPiece(str.c_str(), 0U)); ASSERT_TRUE(empty == BasicStringPiece(NULL)); ASSERT_TRUE(empty == BasicStringPiece(NULL, 0U)); ASSERT_TRUE(empty == BasicStringPiece()); ASSERT_TRUE(str == BasicStringPiece(str.begin(), str.end())); ASSERT_TRUE(empty == BasicStringPiece(str.begin(), str.begin())); ASSERT_TRUE(empty == BasicStringPiece(empty)); ASSERT_TRUE(empty == BasicStringPiece(empty.begin(), empty.end())); } } // namespace base