| // 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 "wtf/text/StringView.h" |
| |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "wtf/text/AtomicString.h" |
| #include "wtf/text/StringImpl.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WTF { |
| |
| const char* kChars = "12345"; |
| const LChar* kChars8 = reinterpret_cast<const LChar*>(kChars); |
| const UChar* kChars16 = reinterpret_cast<const UChar*>(u"12345"); |
| |
| TEST(StringViewTest, ConstructionStringImpl8) { |
| RefPtr<StringImpl> impl8Bit = StringImpl::create(kChars8, 5); |
| |
| // StringView(StringImpl*); |
| ASSERT_TRUE(StringView(impl8Bit.get()).is8Bit()); |
| EXPECT_FALSE(StringView(impl8Bit.get()).isNull()); |
| EXPECT_EQ(impl8Bit->characters8(), StringView(impl8Bit.get()).characters8()); |
| EXPECT_EQ(impl8Bit->length(), StringView(impl8Bit.get()).length()); |
| EXPECT_STREQ(kChars, StringView(impl8Bit.get()).toString().utf8().data()); |
| |
| // StringView(StringImpl*, unsigned offset); |
| ASSERT_TRUE(StringView(impl8Bit.get(), 2).is8Bit()); |
| EXPECT_FALSE(StringView(impl8Bit.get(), 2).isNull()); |
| EXPECT_EQ(impl8Bit->characters8() + 2, |
| StringView(impl8Bit.get(), 2).characters8()); |
| EXPECT_EQ(3u, StringView(impl8Bit.get(), 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(impl8Bit.get(), 2)); |
| EXPECT_STREQ("345", StringView(impl8Bit.get(), 2).toString().utf8().data()); |
| |
| // StringView(StringImpl*, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(impl8Bit.get(), 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(impl8Bit.get(), 2, 1).isNull()); |
| EXPECT_EQ(impl8Bit->characters8() + 2, |
| StringView(impl8Bit.get(), 2, 1).characters8()); |
| EXPECT_EQ(1u, StringView(impl8Bit.get(), 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(impl8Bit.get(), 2, 1)); |
| EXPECT_STREQ("3", StringView(impl8Bit.get(), 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImpl16) { |
| RefPtr<StringImpl> impl16Bit = StringImpl::create(kChars16, 5); |
| |
| // StringView(StringImpl*); |
| ASSERT_FALSE(StringView(impl16Bit.get()).is8Bit()); |
| EXPECT_FALSE(StringView(impl16Bit.get()).isNull()); |
| EXPECT_EQ(impl16Bit->characters16(), |
| StringView(impl16Bit.get()).characters16()); |
| EXPECT_EQ(impl16Bit->length(), StringView(impl16Bit.get()).length()); |
| EXPECT_STREQ(kChars, StringView(impl16Bit.get()).toString().utf8().data()); |
| |
| // StringView(StringImpl*, unsigned offset); |
| ASSERT_FALSE(StringView(impl16Bit.get(), 2).is8Bit()); |
| EXPECT_FALSE(StringView(impl16Bit.get(), 2).isNull()); |
| EXPECT_EQ(impl16Bit->characters16() + 2, |
| StringView(impl16Bit.get(), 2).characters16()); |
| EXPECT_EQ(3u, StringView(impl16Bit.get(), 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(impl16Bit.get(), 2)); |
| EXPECT_STREQ("345", StringView(impl16Bit.get(), 2).toString().utf8().data()); |
| |
| // StringView(StringImpl*, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(impl16Bit.get(), 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(impl16Bit.get(), 2, 1).isNull()); |
| EXPECT_EQ(impl16Bit->characters16() + 2, |
| StringView(impl16Bit.get(), 2, 1).characters16()); |
| EXPECT_EQ(1u, StringView(impl16Bit.get(), 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(impl16Bit.get(), 2, 1)); |
| EXPECT_STREQ("3", StringView(impl16Bit.get(), 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImplRef8) { |
| RefPtr<StringImpl> impl8Bit = StringImpl::create(kChars8, 5); |
| |
| // StringView(StringImpl&); |
| ASSERT_TRUE(StringView(*impl8Bit).is8Bit()); |
| EXPECT_FALSE(StringView(*impl8Bit).isNull()); |
| EXPECT_EQ(impl8Bit->characters8(), StringView(*impl8Bit).characters8()); |
| EXPECT_EQ(impl8Bit->length(), StringView(*impl8Bit).length()); |
| EXPECT_STREQ(kChars, StringView(*impl8Bit).toString().utf8().data()); |
| |
| // StringView(StringImpl&, unsigned offset); |
| ASSERT_TRUE(StringView(*impl8Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(*impl8Bit, 2).isNull()); |
| EXPECT_EQ(impl8Bit->characters8() + 2, |
| StringView(*impl8Bit, 2).characters8()); |
| EXPECT_EQ(3u, StringView(*impl8Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(*impl8Bit, 2)); |
| EXPECT_STREQ("345", StringView(*impl8Bit, 2).toString().utf8().data()); |
| |
| // StringView(StringImpl&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(*impl8Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(*impl8Bit, 2, 1).isNull()); |
| EXPECT_EQ(impl8Bit->characters8() + 2, |
| StringView(*impl8Bit, 2, 1).characters8()); |
| EXPECT_EQ(1u, StringView(*impl8Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(*impl8Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(*impl8Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionStringImplRef16) { |
| RefPtr<StringImpl> impl16Bit = StringImpl::create(kChars16, 5); |
| |
| // StringView(StringImpl&); |
| ASSERT_FALSE(StringView(*impl16Bit).is8Bit()); |
| EXPECT_FALSE(StringView(*impl16Bit).isNull()); |
| EXPECT_EQ(impl16Bit->characters16(), StringView(*impl16Bit).characters16()); |
| EXPECT_EQ(impl16Bit->length(), StringView(*impl16Bit).length()); |
| EXPECT_STREQ(kChars, StringView(*impl16Bit).toString().utf8().data()); |
| |
| // StringView(StringImpl&, unsigned offset); |
| ASSERT_FALSE(StringView(*impl16Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(*impl16Bit, 2).isNull()); |
| EXPECT_EQ(impl16Bit->characters16() + 2, |
| StringView(*impl16Bit, 2).characters16()); |
| EXPECT_EQ(3u, StringView(*impl16Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(*impl16Bit, 2)); |
| EXPECT_STREQ("345", StringView(*impl16Bit, 2).toString().utf8().data()); |
| |
| // StringView(StringImpl&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(*impl16Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(*impl16Bit, 2, 1).isNull()); |
| EXPECT_EQ(impl16Bit->characters16() + 2, |
| StringView(*impl16Bit, 2, 1).characters16()); |
| EXPECT_EQ(1u, StringView(*impl16Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(*impl16Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(*impl16Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionString8) { |
| String string8Bit = String(StringImpl::create(kChars8, 5)); |
| |
| // StringView(const String&); |
| ASSERT_TRUE(StringView(string8Bit).is8Bit()); |
| EXPECT_FALSE(StringView(string8Bit).isNull()); |
| EXPECT_EQ(string8Bit.characters8(), StringView(string8Bit).characters8()); |
| EXPECT_EQ(string8Bit.length(), StringView(string8Bit).length()); |
| EXPECT_STREQ(kChars, StringView(string8Bit).toString().utf8().data()); |
| |
| // StringView(const String&, unsigned offset); |
| ASSERT_TRUE(StringView(string8Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(string8Bit, 2).isNull()); |
| EXPECT_EQ(string8Bit.characters8() + 2, |
| StringView(string8Bit, 2).characters8()); |
| EXPECT_EQ(3u, StringView(string8Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(string8Bit, 2)); |
| EXPECT_STREQ("345", StringView(string8Bit, 2).toString().utf8().data()); |
| |
| // StringView(const String&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(string8Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(string8Bit, 2, 1).isNull()); |
| EXPECT_EQ(string8Bit.characters8() + 2, |
| StringView(string8Bit, 2, 1).characters8()); |
| EXPECT_EQ(1u, StringView(string8Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(string8Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(string8Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionString16) { |
| String string16Bit = String(StringImpl::create(kChars16, 5)); |
| |
| // StringView(const String&); |
| ASSERT_FALSE(StringView(string16Bit).is8Bit()); |
| EXPECT_FALSE(StringView(string16Bit).isNull()); |
| EXPECT_EQ(string16Bit.characters16(), StringView(string16Bit).characters16()); |
| EXPECT_EQ(string16Bit.length(), StringView(string16Bit).length()); |
| EXPECT_STREQ(kChars, StringView(string16Bit).toString().utf8().data()); |
| |
| // StringView(const String&, unsigned offset); |
| ASSERT_FALSE(StringView(string16Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(string16Bit, 2).isNull()); |
| EXPECT_EQ(string16Bit.characters16() + 2, |
| StringView(string16Bit, 2).characters16()); |
| EXPECT_EQ(3u, StringView(string16Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(string16Bit, 2)); |
| EXPECT_STREQ("345", StringView(string16Bit, 2).toString().utf8().data()); |
| |
| // StringView(const String&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(string16Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(string16Bit, 2, 1).isNull()); |
| EXPECT_EQ(string16Bit.characters16() + 2, |
| StringView(string16Bit, 2, 1).characters16()); |
| EXPECT_EQ(1u, StringView(string16Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(string16Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(string16Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionAtomicString8) { |
| AtomicString atom8Bit = AtomicString(StringImpl::create(kChars8, 5)); |
| |
| // StringView(const AtomicString&); |
| ASSERT_TRUE(StringView(atom8Bit).is8Bit()); |
| EXPECT_FALSE(StringView(atom8Bit).isNull()); |
| EXPECT_EQ(atom8Bit.characters8(), StringView(atom8Bit).characters8()); |
| EXPECT_EQ(atom8Bit.length(), StringView(atom8Bit).length()); |
| EXPECT_STREQ(kChars, StringView(atom8Bit).toString().utf8().data()); |
| |
| // StringView(const AtomicString&, unsigned offset); |
| ASSERT_TRUE(StringView(atom8Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(atom8Bit, 2).isNull()); |
| EXPECT_EQ(atom8Bit.characters8() + 2, StringView(atom8Bit, 2).characters8()); |
| EXPECT_EQ(3u, StringView(atom8Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(atom8Bit, 2)); |
| EXPECT_STREQ("345", StringView(atom8Bit, 2).toString().utf8().data()); |
| |
| // StringView(const AtomicString&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(atom8Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(atom8Bit, 2, 1).isNull()); |
| EXPECT_EQ(atom8Bit.characters8() + 2, |
| StringView(atom8Bit, 2, 1).characters8()); |
| EXPECT_EQ(1u, StringView(atom8Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(atom8Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(atom8Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionAtomicString16) { |
| AtomicString atom16Bit = AtomicString(StringImpl::create(kChars16, 5)); |
| |
| // StringView(const AtomicString&); |
| ASSERT_FALSE(StringView(atom16Bit).is8Bit()); |
| EXPECT_FALSE(StringView(atom16Bit).isNull()); |
| EXPECT_EQ(atom16Bit.characters16(), StringView(atom16Bit).characters16()); |
| EXPECT_EQ(atom16Bit.length(), StringView(atom16Bit).length()); |
| EXPECT_STREQ(kChars, StringView(atom16Bit).toString().utf8().data()); |
| |
| // StringView(const AtomicString&, unsigned offset); |
| ASSERT_FALSE(StringView(atom16Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(atom16Bit, 2).isNull()); |
| EXPECT_EQ(atom16Bit.characters16() + 2, |
| StringView(atom16Bit, 2).characters16()); |
| EXPECT_EQ(3u, StringView(atom16Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(atom16Bit, 2)); |
| EXPECT_STREQ("345", StringView(atom16Bit, 2).toString().utf8().data()); |
| |
| // StringView(const AtomicString&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(atom16Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(atom16Bit, 2, 1).isNull()); |
| EXPECT_EQ(atom16Bit.characters16() + 2, |
| StringView(atom16Bit, 2, 1).characters16()); |
| EXPECT_EQ(1u, StringView(atom16Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(atom16Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(atom16Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionStringView8) { |
| StringView view8Bit = StringView(kChars8, 5); |
| |
| // StringView(StringView&); |
| ASSERT_TRUE(StringView(view8Bit).is8Bit()); |
| EXPECT_FALSE(StringView(view8Bit).isNull()); |
| EXPECT_EQ(view8Bit.characters8(), StringView(view8Bit).characters8()); |
| EXPECT_EQ(view8Bit.length(), StringView(view8Bit).length()); |
| EXPECT_STREQ(kChars, StringView(view8Bit).toString().utf8().data()); |
| |
| // StringView(const StringView&, unsigned offset); |
| ASSERT_TRUE(StringView(view8Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(view8Bit, 2).isNull()); |
| EXPECT_EQ(view8Bit.characters8() + 2, StringView(view8Bit, 2).characters8()); |
| EXPECT_EQ(3u, StringView(view8Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(view8Bit, 2)); |
| EXPECT_STREQ("345", StringView(view8Bit, 2).toString().utf8().data()); |
| |
| // StringView(const StringView&, unsigned offset, unsigned length); |
| ASSERT_TRUE(StringView(view8Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(view8Bit, 2, 1).isNull()); |
| EXPECT_EQ(view8Bit.characters8() + 2, |
| StringView(view8Bit, 2, 1).characters8()); |
| EXPECT_EQ(1u, StringView(view8Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(view8Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(view8Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| TEST(StringViewTest, ConstructionStringView16) { |
| StringView view16Bit = StringView(kChars16, 5); |
| |
| // StringView(StringView&); |
| ASSERT_FALSE(StringView(view16Bit).is8Bit()); |
| EXPECT_FALSE(StringView(view16Bit).isNull()); |
| EXPECT_EQ(view16Bit.characters16(), StringView(view16Bit).characters16()); |
| EXPECT_EQ(view16Bit.length(), StringView(view16Bit).length()); |
| EXPECT_EQ(kChars, StringView(view16Bit).toString()); |
| |
| // StringView(const StringView&, unsigned offset); |
| ASSERT_FALSE(StringView(view16Bit, 2).is8Bit()); |
| EXPECT_FALSE(StringView(view16Bit, 2).isNull()); |
| EXPECT_EQ(view16Bit.characters16() + 2, |
| StringView(view16Bit, 2).characters16()); |
| EXPECT_EQ(3u, StringView(view16Bit, 2).length()); |
| EXPECT_EQ(StringView("345"), StringView(view16Bit, 2)); |
| EXPECT_STREQ("345", StringView(view16Bit, 2).toString().utf8().data()); |
| |
| // StringView(const StringView&, unsigned offset, unsigned length); |
| ASSERT_FALSE(StringView(view16Bit, 2, 1).is8Bit()); |
| EXPECT_FALSE(StringView(view16Bit, 2, 1).isNull()); |
| EXPECT_EQ(view16Bit.characters16() + 2, |
| StringView(view16Bit, 2, 1).characters16()); |
| EXPECT_EQ(1u, StringView(view16Bit, 2, 1).length()); |
| EXPECT_EQ(StringView("3"), StringView(view16Bit, 2, 1)); |
| EXPECT_STREQ("3", StringView(view16Bit, 2, 1).toString().utf8().data()); |
| } |
| |
| 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_STREQ(kChars, StringView(kChars8).toString().utf8().data()); |
| |
| // 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_STREQ(kChars, StringView(kChars).toString().utf8().data()); |
| |
| // StringView(const LChar* chars, unsigned length); |
| ASSERT_TRUE(StringView(kChars8, 2).is8Bit()); |
| EXPECT_FALSE(StringView(kChars8, 2).isNull()); |
| EXPECT_EQ(2u, StringView(kChars8, 2).length()); |
| EXPECT_EQ(StringView("12"), StringView(kChars8, 2)); |
| EXPECT_STREQ("12", StringView(kChars8, 2).toString().utf8().data()); |
| |
| // StringView(const char* chars, unsigned length); |
| ASSERT_TRUE(StringView(kChars, 2).is8Bit()); |
| EXPECT_FALSE(StringView(kChars, 2).isNull()); |
| EXPECT_EQ(2u, StringView(kChars, 2).length()); |
| EXPECT_EQ(StringView("12"), StringView(kChars, 2)); |
| EXPECT_STREQ("12", StringView(kChars, 2).toString().utf8().data()); |
| } |
| |
| 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).toString().utf8().data()); |
| |
| // StringView(const UChar* chars, unsigned length); |
| ASSERT_FALSE(StringView(kChars16, 2).is8Bit()); |
| EXPECT_FALSE(StringView(kChars16, 2).isNull()); |
| EXPECT_EQ(kChars16, StringView(kChars16, 2).characters16()); |
| EXPECT_EQ(StringView("12"), StringView(kChars16, 2)); |
| EXPECT_EQ(StringView(reinterpret_cast<const UChar*>(u"12")), |
| StringView(kChars16, 2)); |
| EXPECT_EQ(2u, StringView(kChars16, 2).length()); |
| EXPECT_EQ(String("12"), StringView(kChars16, 2).toString()); |
| } |
| |
| 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(emptyString.impl(), StringView("").toString().impl()); |
| EXPECT_EQ(nullAtom.impl(), StringView().toString().impl()); |
| // NOTE: All the construction tests also check toString(). |
| } |
| |
| TEST(StringViewTest, ToAtomicString) { |
| EXPECT_EQ(nullAtom.impl(), StringView().toAtomicString()); |
| EXPECT_EQ(emptyAtom.impl(), StringView("").toAtomicString()); |
| EXPECT_EQ(AtomicString("12"), StringView(kChars8, 2).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* linkCaps8 = "LINK"; |
| static const char* nonASCII8 = "a\xE1"; |
| static const char* nonASCIICaps8 = "A\xE1"; |
| static const char* nonASCIIInvalid8 = "a\xC1"; |
| |
| static const UChar link16[5] = {0x006c, 0x0069, 0x006e, 0x006b, 0}; // link |
| static const UChar linkCaps16[5] = {0x004c, 0x0049, 0x004e, 0x004b, |
| 0}; // LINK |
| static const UChar nonASCII16[3] = {0x0061, 0x00e1, 0}; // a\xE1 |
| static const UChar nonASCIICaps16[3] = {0x0041, 0x00e1, 0}; // A\xE1 |
| static const UChar nonASCIIInvalid16[3] = {0x0061, 0x00c1, 0}; // a\xC1 |
| |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(link16), link8)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(link16), linkCaps16)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(link16), linkCaps8)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(link8), linkCaps8)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(link8), link16)); |
| |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(nonASCII8), nonASCIICaps8)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(nonASCII8), nonASCIICaps16)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(nonASCII16), nonASCIICaps16)); |
| EXPECT_TRUE(equalIgnoringASCIICase(StringView(nonASCII16), nonASCIICaps8)); |
| EXPECT_FALSE(equalIgnoringASCIICase(StringView(nonASCII8), nonASCIIInvalid8)); |
| EXPECT_FALSE( |
| equalIgnoringASCIICase(StringView(nonASCII8), nonASCIIInvalid16)); |
| |
| 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(""), "")); |
| } |
| |
| } // namespace WTF |