v8/test/unittests/char-predicates-unittest.cc

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// Copyright 2014 the V8 project 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 "src/char-predicates.h"
#include "src/unicode.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace internal {
TEST(CharPredicatesTest, WhiteSpace) {
// As of Unicode 6.3.0, \u180E is no longer a white space. We still consider
// it to be one though, since JS recognizes all white spaces in Unicode 5.1.
EXPECT_TRUE(WhiteSpace::Is(0x0009));
EXPECT_TRUE(WhiteSpace::Is(0x000B));
EXPECT_TRUE(WhiteSpace::Is(0x000C));
EXPECT_TRUE(WhiteSpace::Is(' '));
EXPECT_TRUE(WhiteSpace::Is(0x00A0));
EXPECT_TRUE(WhiteSpace::Is(0xFEFF));
}
TEST(CharPredicatesTest, WhiteSpaceOrLineTerminator) {
// As of Unicode 6.3.0, \u180E is no longer a white space. We still consider
// it to be one though, since JS recognizes all white spaces in Unicode 5.1.
// White spaces
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x0009));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x000B));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x000C));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(' '));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x00A0));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0xFEFF));
// Line terminators
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x000A));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x000D));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x2028));
EXPECT_TRUE(WhiteSpaceOrLineTerminator::Is(0x2029));
}
TEST(CharPredicatesTest, IdentifierStart) {
EXPECT_TRUE(IdentifierStart::Is('$'));
EXPECT_TRUE(IdentifierStart::Is('_'));
EXPECT_TRUE(IdentifierStart::Is('\\'));
// http://www.unicode.org/reports/tr31/
// Other_ID_Start
EXPECT_TRUE(IdentifierStart::Is(0x2118));
EXPECT_TRUE(IdentifierStart::Is(0x212E));
EXPECT_TRUE(IdentifierStart::Is(0x309B));
EXPECT_TRUE(IdentifierStart::Is(0x309C));
// Issue 2892:
// \u2E2F has the Pattern_Syntax property, excluding it from ID_Start.
EXPECT_FALSE(unibrow::ID_Start::Is(0x2E2F));
}
TEST(CharPredicatesTest, IdentifierPart) {
EXPECT_TRUE(IdentifierPart::Is('$'));
EXPECT_TRUE(IdentifierPart::Is('_'));
EXPECT_TRUE(IdentifierPart::Is('\\'));
EXPECT_TRUE(IdentifierPart::Is(0x200C));
EXPECT_TRUE(IdentifierPart::Is(0x200D));
// http://www.unicode.org/reports/tr31/
// Other_ID_Start
EXPECT_TRUE(IdentifierPart::Is(0x2118));
EXPECT_TRUE(IdentifierPart::Is(0x212E));
EXPECT_TRUE(IdentifierPart::Is(0x309B));
EXPECT_TRUE(IdentifierPart::Is(0x309C));
// Other_ID_Continue
EXPECT_TRUE(IdentifierPart::Is(0x00B7));
EXPECT_TRUE(IdentifierPart::Is(0x0387));
EXPECT_TRUE(IdentifierPart::Is(0x1369));
EXPECT_TRUE(IdentifierPart::Is(0x1370));
EXPECT_TRUE(IdentifierPart::Is(0x1371));
EXPECT_TRUE(IdentifierPart::Is(0x19DA));
// Issue 2892:
// \u2E2F has the Pattern_Syntax property, excluding it from ID_Start.
EXPECT_FALSE(IdentifierPart::Is(0x2E2F));
}
#ifdef V8_I18N_SUPPORT
TEST(CharPredicatesTest, SupplementaryPlaneIdentifiers) {
// Both ID_Start and ID_Continue.
EXPECT_TRUE(IdentifierStart::Is(0x10403)); // Category Lu
EXPECT_TRUE(IdentifierPart::Is(0x10403));
EXPECT_TRUE(IdentifierStart::Is(0x1043C)); // Category Ll
EXPECT_TRUE(IdentifierPart::Is(0x1043C));
EXPECT_TRUE(IdentifierStart::Is(0x16F9C)); // Category Lm
EXPECT_TRUE(IdentifierPart::Is(0x16F9C));
EXPECT_TRUE(IdentifierStart::Is(0x10048)); // Category Lo
EXPECT_TRUE(IdentifierPart::Is(0x10048));
EXPECT_TRUE(IdentifierStart::Is(0x1014D)); // Category Nl
EXPECT_TRUE(IdentifierPart::Is(0x1014D));
// Only ID_Continue.
EXPECT_FALSE(IdentifierStart::Is(0x101FD)); // Category Mn
EXPECT_TRUE(IdentifierPart::Is(0x101FD));
EXPECT_FALSE(IdentifierStart::Is(0x11002)); // Category Mc
EXPECT_TRUE(IdentifierPart::Is(0x11002));
EXPECT_FALSE(IdentifierStart::Is(0x104A9)); // Category Nd
EXPECT_TRUE(IdentifierPart::Is(0x104A9));
// Neither.
EXPECT_FALSE(IdentifierStart::Is(0x10111)); // Category No
EXPECT_FALSE(IdentifierPart::Is(0x10111));
EXPECT_FALSE(IdentifierStart::Is(0x1F4A9)); // Category So
EXPECT_FALSE(IdentifierPart::Is(0x1F4A9));
}
#endif // V8_I18N_SUPPORT
} // namespace internal
} // namespace v8