| // Copyright 2016 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 "third_party/blink/renderer/platform/wtf/text/string_view.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h" |
| #include "third_party/blink/renderer/platform/wtf/text/string_impl.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| |
| namespace WTF { |
| |
| const char kChars[] = "12345"; |
| const LChar* const kChars8 = reinterpret_cast<const LChar*>(kChars); |
| const UChar* const kChars16 = reinterpret_cast<const UChar*>(u"12345"); |
| |
| TEST(StringViewTest, ConstructionStringImpl8) { |
| scoped_refptr<StringImpl> impl8_bit = StringImpl::Create(kChars8, 5); |
| |
| // StringView(StringImpl*); |
| ASSERT_TRUE(StringView(impl8_bit.get()).Is8Bit()); |
| EXPECT_FALSE(StringView(impl8_bit.get()).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8(), |
| StringView(impl8_bit.get()).Characters8()); |
| EXPECT_EQ(impl8_bit->length(), StringView(impl8_bit.get()).length()); |
| EXPECT_EQ(kChars, StringView(impl8_bit.get())); |
| |
| // StringView(StringImpl*, unsigned offset); |
| ASSERT_TRUE(StringView(impl8_bit.get(), 2).Is8Bit()); |
| EXPECT_FALSE(StringView(impl8_bit.get(), 2).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8() + 2, |
| StringView(impl8_bit.get(), 2).Characters8()); |
| EXPECT_EQ(3u, StringView(impl8_bit.get(), 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(impl8_bit.get(), 2)); |
| EXPECT_EQ("345", StringView(impl8_bit.get(), 2)); |
| |
| // StringView(StringImpl*, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(impl8_bit.get(), 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(impl8_bit.get(), 2, 1).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8() + 2, |
| StringView(impl8_bit.get(), 2, 1).Characters8()); |
| EXPECT_EQ(1u, StringView(impl8_bit.get(), 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(impl8_bit.get(), 2, 1)); |
| EXPECT_EQ("3", StringView(impl8_bit.get(), 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImpl16) { |
| scoped_refptr<StringImpl> impl16_bit = StringImpl::Create(kChars16, 5); |
| |
| // StringView(StringImpl*); |
| ASSERT_FALSE(StringView(impl16_bit.get()).Is8Bit()); |
| EXPECT_FALSE(StringView(impl16_bit.get()).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16(), |
| StringView(impl16_bit.get()).Characters16()); |
| EXPECT_EQ(impl16_bit->length(), StringView(impl16_bit.get()).length()); |
| EXPECT_EQ(kChars, StringView(impl16_bit.get())); |
| |
| // StringView(StringImpl*, unsigned offset); |
| ASSERT_FALSE(StringView(impl16_bit.get(), 2).Is8Bit()); |
| EXPECT_FALSE(StringView(impl16_bit.get(), 2).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16() + 2, |
| StringView(impl16_bit.get(), 2).Characters16()); |
| EXPECT_EQ(3u, StringView(impl16_bit.get(), 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(impl16_bit.get(), 2)); |
| EXPECT_EQ("345", StringView(impl16_bit.get(), 2)); |
| |
| // StringView(StringImpl*, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(impl16_bit.get(), 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(impl16_bit.get(), 2, 1).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16() + 2, |
| StringView(impl16_bit.get(), 2, 1).Characters16()); |
| EXPECT_EQ(1u, StringView(impl16_bit.get(), 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(impl16_bit.get(), 2, 1)); |
| EXPECT_EQ("3", StringView(impl16_bit.get(), 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImplRef8) { |
| scoped_refptr<StringImpl> impl8_bit = StringImpl::Create(kChars8, 5); |
| |
| // StringView(StringImpl&); |
| ASSERT_TRUE(StringView(*impl8_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl8_bit).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8(), StringView(*impl8_bit).Characters8()); |
| EXPECT_EQ(impl8_bit->length(), StringView(*impl8_bit).length()); |
| EXPECT_EQ(kChars, StringView(*impl8_bit)); |
| |
| // StringView(StringImpl&, unsigned offset); |
| ASSERT_TRUE(StringView(*impl8_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl8_bit, 2).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8() + 2, |
| StringView(*impl8_bit, 2).Characters8()); |
| EXPECT_EQ(3u, StringView(*impl8_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(*impl8_bit, 2)); |
| EXPECT_EQ("345", StringView(*impl8_bit, 2)); |
| |
| // StringView(StringImpl&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(*impl8_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl8_bit, 2, 1).IsNull()); |
| EXPECT_EQ(impl8_bit->Characters8() + 2, |
| StringView(*impl8_bit, 2, 1).Characters8()); |
| EXPECT_EQ(1u, StringView(*impl8_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(*impl8_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(*impl8_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImplRef16) { |
| scoped_refptr<StringImpl> impl16_bit = StringImpl::Create(kChars16, 5); |
| |
| // StringView(StringImpl&); |
| ASSERT_FALSE(StringView(*impl16_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl16_bit).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16(), StringView(*impl16_bit).Characters16()); |
| EXPECT_EQ(impl16_bit->length(), StringView(*impl16_bit).length()); |
| EXPECT_EQ(kChars, StringView(*impl16_bit)); |
| |
| // StringView(StringImpl&, unsigned offset); |
| ASSERT_FALSE(StringView(*impl16_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl16_bit, 2).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16() + 2, |
| StringView(*impl16_bit, 2).Characters16()); |
| EXPECT_EQ(3u, StringView(*impl16_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(*impl16_bit, 2)); |
| EXPECT_EQ("345", StringView(*impl16_bit, 2)); |
| |
| // StringView(StringImpl&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(*impl16_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(*impl16_bit, 2, 1).IsNull()); |
| EXPECT_EQ(impl16_bit->Characters16() + 2, |
| StringView(*impl16_bit, 2, 1).Characters16()); |
| EXPECT_EQ(1u, StringView(*impl16_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(*impl16_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(*impl16_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionString8) { |
| String string8_bit = String(StringImpl::Create(kChars8, 5)); |
| |
| // StringView(const String&); |
| ASSERT_TRUE(StringView(string8_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(string8_bit).IsNull()); |
| EXPECT_EQ(string8_bit.Characters8(), StringView(string8_bit).Characters8()); |
| EXPECT_EQ(string8_bit.length(), StringView(string8_bit).length()); |
| EXPECT_EQ(kChars, StringView(string8_bit)); |
| |
| // StringView(const String&, unsigned offset); |
| ASSERT_TRUE(StringView(string8_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(string8_bit, 2).IsNull()); |
| EXPECT_EQ(string8_bit.Characters8() + 2, |
| StringView(string8_bit, 2).Characters8()); |
| EXPECT_EQ(3u, StringView(string8_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(string8_bit, 2)); |
| EXPECT_EQ("345", StringView(string8_bit, 2)); |
| |
| // StringView(const String&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(string8_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(string8_bit, 2, 1).IsNull()); |
| EXPECT_EQ(string8_bit.Characters8() + 2, |
| StringView(string8_bit, 2, 1).Characters8()); |
| EXPECT_EQ(1u, StringView(string8_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(string8_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(string8_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionString16) { |
| String string16_bit = String(StringImpl::Create(kChars16, 5)); |
| |
| // StringView(const String&); |
| ASSERT_FALSE(StringView(string16_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(string16_bit).IsNull()); |
| EXPECT_EQ(string16_bit.Characters16(), |
| StringView(string16_bit).Characters16()); |
| EXPECT_EQ(string16_bit.length(), StringView(string16_bit).length()); |
| EXPECT_EQ(kChars, StringView(string16_bit)); |
| |
| // StringView(const String&, unsigned offset); |
| ASSERT_FALSE(StringView(string16_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(string16_bit, 2).IsNull()); |
| EXPECT_EQ(string16_bit.Characters16() + 2, |
| StringView(string16_bit, 2).Characters16()); |
| EXPECT_EQ(3u, StringView(string16_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(string16_bit, 2)); |
| EXPECT_EQ("345", StringView(string16_bit, 2)); |
| |
| // StringView(const String&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(string16_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(string16_bit, 2, 1).IsNull()); |
| EXPECT_EQ(string16_bit.Characters16() + 2, |
| StringView(string16_bit, 2, 1).Characters16()); |
| EXPECT_EQ(1u, StringView(string16_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(string16_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(string16_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionAtomicString8) { |
| AtomicString atom8_bit = AtomicString(StringImpl::Create(kChars8, 5)); |
| |
| // StringView(const AtomicString&); |
| ASSERT_TRUE(StringView(atom8_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(atom8_bit).IsNull()); |
| EXPECT_EQ(atom8_bit.Characters8(), StringView(atom8_bit).Characters8()); |
| EXPECT_EQ(atom8_bit.length(), StringView(atom8_bit).length()); |
| EXPECT_EQ(kChars, StringView(atom8_bit)); |
| |
| // StringView(const AtomicString&, unsigned offset); |
| ASSERT_TRUE(StringView(atom8_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(atom8_bit, 2).IsNull()); |
| EXPECT_EQ(atom8_bit.Characters8() + 2, |
| StringView(atom8_bit, 2).Characters8()); |
| EXPECT_EQ(3u, StringView(atom8_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(atom8_bit, 2)); |
| EXPECT_EQ("345", StringView(atom8_bit, 2)); |
| |
| // StringView(const AtomicString&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(atom8_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(atom8_bit, 2, 1).IsNull()); |
| EXPECT_EQ(atom8_bit.Characters8() + 2, |
| StringView(atom8_bit, 2, 1).Characters8()); |
| EXPECT_EQ(1u, StringView(atom8_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(atom8_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(atom8_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionAtomicString16) { |
| AtomicString atom16_bit = AtomicString(StringImpl::Create(kChars16, 5)); |
| |
| // StringView(const AtomicString&); |
| ASSERT_FALSE(StringView(atom16_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(atom16_bit).IsNull()); |
| EXPECT_EQ(atom16_bit.Characters16(), StringView(atom16_bit).Characters16()); |
| EXPECT_EQ(atom16_bit.length(), StringView(atom16_bit).length()); |
| EXPECT_EQ(kChars, StringView(atom16_bit)); |
| |
| // StringView(const AtomicString&, unsigned offset); |
| ASSERT_FALSE(StringView(atom16_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(atom16_bit, 2).IsNull()); |
| EXPECT_EQ(atom16_bit.Characters16() + 2, |
| StringView(atom16_bit, 2).Characters16()); |
| EXPECT_EQ(3u, StringView(atom16_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(atom16_bit, 2)); |
| EXPECT_EQ("345", StringView(atom16_bit, 2)); |
| |
| // StringView(const AtomicString&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(atom16_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(atom16_bit, 2, 1).IsNull()); |
| EXPECT_EQ(atom16_bit.Characters16() + 2, |
| StringView(atom16_bit, 2, 1).Characters16()); |
| EXPECT_EQ(1u, StringView(atom16_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(atom16_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(atom16_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionStringView8) { |
| StringView view8_bit = StringView(kChars8, 5u); |
| |
| // StringView(StringView&); |
| ASSERT_TRUE(StringView(view8_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(view8_bit).IsNull()); |
| EXPECT_EQ(view8_bit.Characters8(), StringView(view8_bit).Characters8()); |
| EXPECT_EQ(view8_bit.length(), StringView(view8_bit).length()); |
| EXPECT_EQ(kChars, StringView(view8_bit)); |
| |
| // StringView(const StringView&, unsigned offset); |
| ASSERT_TRUE(StringView(view8_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(view8_bit, 2).IsNull()); |
| EXPECT_EQ(view8_bit.Characters8() + 2, |
| StringView(view8_bit, 2).Characters8()); |
| EXPECT_EQ(3u, StringView(view8_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(view8_bit, 2)); |
| EXPECT_EQ("345", StringView(view8_bit, 2)); |
| |
| // StringView(const StringView&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(view8_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(view8_bit, 2, 1).IsNull()); |
| EXPECT_EQ(view8_bit.Characters8() + 2, |
| StringView(view8_bit, 2, 1).Characters8()); |
| EXPECT_EQ(1u, StringView(view8_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(view8_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(view8_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionStringView16) { |
| StringView view16_bit = StringView(kChars16, 5); |
| |
| // StringView(StringView&); |
| ASSERT_FALSE(StringView(view16_bit).Is8Bit()); |
| EXPECT_FALSE(StringView(view16_bit).IsNull()); |
| EXPECT_EQ(view16_bit.Characters16(), StringView(view16_bit).Characters16()); |
| EXPECT_EQ(view16_bit.length(), StringView(view16_bit).length()); |
| EXPECT_EQ(kChars, StringView(view16_bit)); |
| |
| // StringView(const StringView&, unsigned offset); |
| ASSERT_FALSE(StringView(view16_bit, 2).Is8Bit()); |
| EXPECT_FALSE(StringView(view16_bit, 2).IsNull()); |
| EXPECT_EQ(view16_bit.Characters16() + 2, |
| StringView(view16_bit, 2).Characters16()); |
| EXPECT_EQ(3u, StringView(view16_bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(view16_bit, 2)); |
| EXPECT_EQ("345", StringView(view16_bit, 2)); |
| |
| // StringView(const StringView&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(view16_bit, 2, 1).Is8Bit()); |
| EXPECT_FALSE(StringView(view16_bit, 2, 1).IsNull()); |
| EXPECT_EQ(view16_bit.Characters16() + 2, |
| StringView(view16_bit, 2, 1).Characters16()); |
| EXPECT_EQ(1u, StringView(view16_bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(view16_bit, 2, 1)); |
| EXPECT_EQ("3", StringView(view16_bit, 2, 1)); |
| } |
| |
| TEST(StringViewTest, ConstructionLiteral8) { |
| // StringView(const LChar* chars); |
| ASSERT_TRUE(StringView(kChars8).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars8).IsNull()); |
| EXPECT_EQ(kChars8, StringView(kChars8).Characters8()); |
| EXPECT_EQ(5u, StringView(kChars8).length()); |
| EXPECT_EQ(kChars, StringView(kChars8)); |
| |
| // StringView(const char* chars); |
| ASSERT_TRUE(StringView(kChars).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars).IsNull()); |
| EXPECT_EQ(kChars8, StringView(kChars).Characters8()); |
| EXPECT_EQ(5u, StringView(kChars).length()); |
| EXPECT_EQ(kChars, StringView(kChars)); |
| |
| // StringView(const LChar* chars, unsigned length); |
| ASSERT_TRUE(StringView(kChars8, 2u).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars8, 2u).IsNull()); |
| EXPECT_EQ(2u, StringView(kChars8, 2u).length()); |
| EXPECT_EQ(StringView("12"), StringView(kChars8, 2u)); |
| EXPECT_EQ("12", StringView(kChars8, 2u)); |
| |
| // StringView(const char* chars, unsigned length); |
| ASSERT_TRUE(StringView(kChars, 2u).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars, 2u).IsNull()); |
| EXPECT_EQ(2u, StringView(kChars, 2u).length()); |
| EXPECT_EQ(StringView("12"), StringView(kChars, 2u)); |
| EXPECT_EQ("12", StringView(kChars, 2u)); |
| } |
| |
| TEST(StringViewTest, ConstructionLiteral16) { |
| // StringView(const UChar* chars); |
| ASSERT_FALSE(StringView(kChars16).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars16).IsNull()); |
| EXPECT_EQ(kChars16, StringView(kChars16).Characters16()); |
| EXPECT_EQ(5u, StringView(kChars16).length()); |
| EXPECT_EQ(String(kChars16), StringView(kChars16)); |
| |
| // StringView(const UChar* chars, unsigned length); |
| ASSERT_FALSE(StringView(kChars16, 2u).Is8Bit()); |
| EXPECT_FALSE(StringView(kChars16, 2u).IsNull()); |
| EXPECT_EQ(kChars16, StringView(kChars16, 2u).Characters16()); |
| EXPECT_EQ(StringView("12"), StringView(kChars16, 2u)); |
| EXPECT_EQ(StringView(reinterpret_cast<const UChar*>(u"12")), |
| StringView(kChars16, 2u)); |
| EXPECT_EQ(2u, StringView(kChars16, 2u).length()); |
| EXPECT_EQ(String("12"), StringView(kChars16, 2u)); |
| } |
| |
| TEST(StringViewTest, IsEmpty) { |
| EXPECT_FALSE(StringView(kChars).IsEmpty()); |
| EXPECT_TRUE(StringView(kChars, 0).IsEmpty()); |
| EXPECT_FALSE(StringView(String(kChars)).IsEmpty()); |
| EXPECT_TRUE(StringView(String(kChars), 5).IsEmpty()); |
| EXPECT_TRUE(StringView(String(kChars), 4, 0).IsEmpty()); |
| EXPECT_TRUE(StringView().IsEmpty()); |
| EXPECT_TRUE(StringView("").IsEmpty()); |
| EXPECT_TRUE(StringView(reinterpret_cast<const UChar*>(u"")).IsEmpty()); |
| EXPECT_FALSE(StringView(kChars16).IsEmpty()); |
| } |
| |
| TEST(StringViewTest, ToString) { |
| EXPECT_EQ(g_empty_string.Impl(), StringView("").ToString().Impl()); |
| EXPECT_EQ(g_null_atom.Impl(), StringView().ToString().Impl()); |
| // NOTE: All the construction tests also check toString(). |
| } |
| |
| TEST(StringViewTest, ToAtomicString) { |
| EXPECT_EQ(g_null_atom.Impl(), StringView().ToAtomicString()); |
| EXPECT_EQ(g_empty_atom.Impl(), StringView("").ToAtomicString()); |
| EXPECT_EQ(AtomicString("12"), StringView(kChars8, 2u).ToAtomicString()); |
| // AtomicString will convert to 8bit if possible when creating the string. |
| EXPECT_EQ(AtomicString("12").Impl(), |
| StringView(kChars16, 2).ToAtomicString().Impl()); |
| } |
| |
| TEST(StringViewTest, ToStringImplSharing) { |
| String string(kChars); |
| EXPECT_EQ(string.Impl(), StringView(string).SharedImpl()); |
| EXPECT_EQ(string.Impl(), StringView(string).ToString().Impl()); |
| EXPECT_EQ(string.Impl(), StringView(string).ToAtomicString().Impl()); |
| } |
| |
| TEST(StringViewTest, NullString) { |
| EXPECT_TRUE(StringView().IsNull()); |
| EXPECT_TRUE(StringView(String()).IsNull()); |
| EXPECT_TRUE(StringView(AtomicString()).IsNull()); |
| EXPECT_TRUE(StringView(static_cast<const char*>(nullptr)).IsNull()); |
| StringView view(kChars); |
| EXPECT_FALSE(view.IsNull()); |
| view.Clear(); |
| EXPECT_TRUE(view.IsNull()); |
| EXPECT_EQ(String(), StringView()); |
| EXPECT_TRUE(StringView().ToString().IsNull()); |
| EXPECT_FALSE(EqualStringView(StringView(), "")); |
| EXPECT_TRUE(EqualStringView(StringView(), StringView())); |
| EXPECT_FALSE(EqualStringView(StringView(), "abc")); |
| EXPECT_FALSE(EqualStringView("abc", StringView())); |
| EXPECT_FALSE(EqualIgnoringASCIICase(StringView(), "")); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(), StringView())); |
| EXPECT_FALSE(EqualIgnoringASCIICase(StringView(), "abc")); |
| EXPECT_FALSE(EqualIgnoringASCIICase("abc", StringView())); |
| } |
| |
| TEST(StringViewTest, IndexAccess) { |
| StringView view8(kChars8); |
| EXPECT_EQ('1', view8[0]); |
| EXPECT_EQ('3', view8[2]); |
| StringView view16(kChars16); |
| EXPECT_EQ('1', view16[0]); |
| EXPECT_EQ('3', view16[2]); |
| } |
| |
| TEST(StringViewTest, EqualIgnoringASCIICase) { |
| static const char* link8 = "link"; |
| static const char* link_caps8 = "LINK"; |
| static const char* non_ascii8 = "a\xE1"; |
| static const char* non_ascii_caps8 = "A\xE1"; |
| static const char* non_ascii_invalid8 = "a\xC1"; |
| |
| static const UChar kLink16[5] = {0x006c, 0x0069, 0x006e, 0x006b, 0}; // link |
| static const UChar kLinkCaps16[5] = {0x004c, 0x0049, 0x004e, 0x004b, |
| 0}; // LINK |
| static const UChar kNonASCII16[3] = {0x0061, 0x00e1, 0}; // a\xE1 |
| static const UChar kNonASCIICaps16[3] = {0x0041, 0x00e1, 0}; // A\xE1 |
| static const UChar kNonASCIIInvalid16[3] = {0x0061, 0x00c1, 0}; // a\xC1 |
| |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(kLink16), link8)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(kLink16), kLinkCaps16)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(kLink16), link_caps8)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(link8), link_caps8)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(link8), kLink16)); |
| |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(non_ascii8), non_ascii_caps8)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(non_ascii8), kNonASCIICaps16)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(kNonASCII16), kNonASCIICaps16)); |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(kNonASCII16), non_ascii_caps8)); |
| EXPECT_FALSE( |
| EqualIgnoringASCIICase(StringView(non_ascii8), non_ascii_invalid8)); |
| EXPECT_FALSE( |
| EqualIgnoringASCIICase(StringView(non_ascii8), kNonASCIIInvalid16)); |
| |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView("link"), "lInK")); |
| EXPECT_FALSE(EqualIgnoringASCIICase(StringView("link"), "INKL")); |
| EXPECT_FALSE( |
| EqualIgnoringASCIICase(StringView("link"), "link different length")); |
| EXPECT_FALSE( |
| EqualIgnoringASCIICase(StringView("link different length"), "link")); |
| |
| EXPECT_TRUE(EqualIgnoringASCIICase(StringView(""), "")); |
| } |
| |
| TEST(StringViewTest, DeprecatedEqualIgnoringCase) { |
| constexpr UChar kLongSAndKelvin[] = {0x017F, 0x212A, 0}; |
| EXPECT_TRUE(DeprecatedEqualIgnoringCase("SK", kLongSAndKelvin)); |
| EXPECT_TRUE(DeprecatedEqualIgnoringCase("sk", kLongSAndKelvin)); |
| |
| // Turkish-specific mappings are not applied. |
| constexpr UChar kSmallDotlessI[] = {0x0131, 0}; |
| constexpr UChar kCapitalDotI[] = {0x0130, 0}; |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("i", kSmallDotlessI)); |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("i", kCapitalDotI)); |
| |
| // DeprecatedEqualIgnoringCase() has length-equality check. |
| constexpr UChar kSmallSharpS[] = {0x00DF, 0}; |
| constexpr UChar kCapitalSharpS[] = {0x1E9E, 0}; |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("ss", kSmallSharpS)); |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("SS", kSmallSharpS)); |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("ss", kCapitalSharpS)); |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("SS", kCapitalSharpS)); |
| constexpr UChar kLigatureFFI[] = {0xFB03, 0}; |
| EXPECT_FALSE(DeprecatedEqualIgnoringCase("ffi", kLigatureFFI)); |
| |
| constexpr UChar kLigatureFFIAndSSSS[] = {0xFB03, 's', 's', 's', 's', 0}; |
| constexpr UChar kFFIAndSharpSs[] = {'f', 'f', 'i', 0x00DF, 0x00DF, 0}; |
| EXPECT_TRUE(DeprecatedEqualIgnoringCase(kLigatureFFIAndSSSS, kFFIAndSharpSs)); |
| } |
| |
| } // namespace WTF |