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Unified Diff: third_party/WebKit/Source/wtf/StringHasherTest.cpp

Issue 2787293002: Reland: Move wtf_unittests to platform/wtf/. (Closed)
Patch Set: Created 3 years, 9 months ago
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Index: third_party/WebKit/Source/wtf/StringHasherTest.cpp
diff --git a/third_party/WebKit/Source/wtf/StringHasherTest.cpp b/third_party/WebKit/Source/wtf/StringHasherTest.cpp
deleted file mode 100644
index 8cf8ea2e85fc8cf877188bef0ca7a27b2fc0dd54..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/wtf/StringHasherTest.cpp
+++ /dev/null
@@ -1,428 +0,0 @@
-/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "wtf/StringHasher.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace WTF {
-
-namespace {
-
-const LChar nullLChars[2] = {0, 0};
-const UChar nullUChars[2] = {0, 0};
-
-const unsigned emptyStringHash = 0x4EC889EU;
-const unsigned singleNullCharacterHash = 0x3D3ABF44U;
-
-const LChar testALChars[6] = {0x41, 0x95, 0xFF, 0x50, 0x01, 0};
-const UChar testAUChars[6] = {0x41, 0x95, 0xFF, 0x50, 0x01, 0};
-const UChar testBUChars[6] = {0x41, 0x95, 0xFFFF, 0x1080, 0x01, 0};
-
-const unsigned testAHash1 = 0xEA32B004;
-const unsigned testAHash2 = 0x93F0F71E;
-const unsigned testAHash3 = 0xCB609EB1;
-const unsigned testAHash4 = 0x7984A706;
-const unsigned testAHash5 = 0x0427561F;
-
-const unsigned testBHash1 = 0xEA32B004;
-const unsigned testBHash2 = 0x93F0F71E;
-const unsigned testBHash3 = 0x59EB1B2C;
-const unsigned testBHash4 = 0xA7BCCC0A;
-const unsigned testBHash5 = 0x79201649;
-
-} // anonymous namespace
-
-TEST(StringHasherTest, StringHasher) {
- StringHasher hasher;
-
- // The initial state of the hasher.
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-}
-
-TEST(StringHasherTest, StringHasher_addCharacter) {
- StringHasher hasher;
-
- // Hashing a single character.
- hasher = StringHasher();
- hasher.addCharacter(0);
- EXPECT_EQ(singleNullCharacterHash, hasher.hash());
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, checking the intermediate state after each is
- // added.
- hasher = StringHasher();
- hasher.addCharacter(testAUChars[0]);
- EXPECT_EQ(testAHash1, hasher.hash());
- EXPECT_EQ(testAHash1 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testAUChars[1]);
- EXPECT_EQ(testAHash2, hasher.hash());
- EXPECT_EQ(testAHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testAUChars[2]);
- EXPECT_EQ(testAHash3, hasher.hash());
- EXPECT_EQ(testAHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testAUChars[3]);
- EXPECT_EQ(testAHash4, hasher.hash());
- EXPECT_EQ(testAHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testAUChars[4]);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing a second set of five characters, including non-Latin-1 characters.
- hasher = StringHasher();
- hasher.addCharacter(testBUChars[0]);
- EXPECT_EQ(testBHash1, hasher.hash());
- EXPECT_EQ(testBHash1 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testBUChars[1]);
- EXPECT_EQ(testBHash2, hasher.hash());
- EXPECT_EQ(testBHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testBUChars[2]);
- EXPECT_EQ(testBHash3, hasher.hash());
- EXPECT_EQ(testBHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testBUChars[3]);
- EXPECT_EQ(testBHash4, hasher.hash());
- EXPECT_EQ(testBHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testBUChars[4]);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-}
-
-TEST(StringHasherTest, StringHasher_addCharacters) {
- StringHasher hasher;
-
- // Hashing zero characters.
- hasher = StringHasher();
- hasher.addCharacters(static_cast<LChar*>(0), 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(nullLChars, 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(static_cast<UChar*>(0), 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(nullUChars, 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing one character.
- hasher = StringHasher();
- hasher.addCharacters(nullLChars, 1);
- EXPECT_EQ(singleNullCharacterHash, hasher.hash());
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(nullUChars, 1);
- EXPECT_EQ(singleNullCharacterHash, hasher.hash());
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, all at once.
- hasher = StringHasher();
- hasher.addCharacters(testALChars, 5);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testAUChars, 5);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testBUChars, 5);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, in groups of two, then the last one.
- hasher = StringHasher();
- hasher.addCharacters(testALChars, 2);
- EXPECT_EQ(testAHash2, hasher.hash());
- EXPECT_EQ(testAHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testALChars + 2, 2);
- EXPECT_EQ(testAHash4, hasher.hash());
- EXPECT_EQ(testAHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testALChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testALChars, 2);
- hasher.addCharacters(testALChars + 2, 2);
- hasher.addCharacters(testALChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testAUChars, 2);
- EXPECT_EQ(testAHash2, hasher.hash());
- EXPECT_EQ(testAHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testAUChars + 2, 2);
- EXPECT_EQ(testAHash4, hasher.hash());
- EXPECT_EQ(testAHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testAUChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testAUChars, 2);
- hasher.addCharacters(testAUChars + 2, 2);
- hasher.addCharacters(testAUChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testBUChars, 2);
- EXPECT_EQ(testBHash2, hasher.hash());
- EXPECT_EQ(testBHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testBUChars + 2, 2);
- EXPECT_EQ(testBHash4, hasher.hash());
- EXPECT_EQ(testBHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testBUChars + 4, 1);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testBUChars, 2);
- hasher.addCharacters(testBUChars + 2, 2);
- hasher.addCharacters(testBUChars + 4, 1);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, the first three, then the last two.
- hasher = StringHasher();
- hasher.addCharacters(testALChars, 3);
- EXPECT_EQ(testAHash3, hasher.hash());
- EXPECT_EQ(testAHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testALChars + 3, 2);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testALChars, 3);
- EXPECT_EQ(testAHash3, hasher.hash());
- EXPECT_EQ(testAHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testALChars + 3, 2);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testAUChars, 3);
- EXPECT_EQ(testAHash3, hasher.hash());
- EXPECT_EQ(testAHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testAUChars + 3, 2);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testAUChars, 3);
- EXPECT_EQ(testAHash3, hasher.hash());
- EXPECT_EQ(testAHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testAUChars + 3, 2);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testBUChars, 3);
- EXPECT_EQ(testBHash3, hasher.hash());
- EXPECT_EQ(testBHash3 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacters(testBUChars + 3, 2);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharacters(testBUChars, 3);
- hasher.addCharacters(testBUChars + 3, 2);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-}
-
-TEST(StringHasherTest, StringHasher_addCharactersAssumingAligned) {
- StringHasher hasher;
-
- // Hashing zero characters.
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(static_cast<LChar*>(0), 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(nullLChars, 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(static_cast<UChar*>(0), 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(nullUChars, 0);
- EXPECT_EQ(emptyStringHash, hasher.hash());
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing one character.
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(nullLChars, 1);
- EXPECT_EQ(singleNullCharacterHash, hasher.hash());
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(nullUChars, 1);
- EXPECT_EQ(singleNullCharacterHash, hasher.hash());
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, all at once.
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testALChars, 5);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testAUChars, 5);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testBUChars, 5);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, in groups of two, then the last one.
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testALChars, 2);
- EXPECT_EQ(testAHash2, hasher.hash());
- EXPECT_EQ(testAHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testALChars + 2, 2);
- EXPECT_EQ(testAHash4, hasher.hash());
- EXPECT_EQ(testAHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testALChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testALChars, 2);
- hasher.addCharactersAssumingAligned(testALChars + 2, 2);
- hasher.addCharactersAssumingAligned(testALChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testAUChars, 2);
- EXPECT_EQ(testAHash2, hasher.hash());
- EXPECT_EQ(testAHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testAUChars + 2, 2);
- EXPECT_EQ(testAHash4, hasher.hash());
- EXPECT_EQ(testAHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testAUChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testAUChars, 2);
- hasher.addCharactersAssumingAligned(testAUChars + 2, 2);
- hasher.addCharactersAssumingAligned(testAUChars + 4, 1);
- EXPECT_EQ(testAHash5, hasher.hash());
- EXPECT_EQ(testAHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testBUChars, 2);
- EXPECT_EQ(testBHash2, hasher.hash());
- EXPECT_EQ(testBHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testBUChars + 2, 2);
- EXPECT_EQ(testBHash4, hasher.hash());
- EXPECT_EQ(testBHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testBUChars + 4, 1);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher = StringHasher();
- hasher.addCharactersAssumingAligned(testBUChars, 2);
- hasher.addCharactersAssumingAligned(testBUChars + 2, 2);
- hasher.addCharactersAssumingAligned(testBUChars + 4, 1);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-
- // Hashing five characters, first two characters one at a time,
- // then two more, then the last one.
- hasher = StringHasher();
- hasher.addCharacter(testBUChars[0]);
- EXPECT_EQ(testBHash1, hasher.hash());
- EXPECT_EQ(testBHash1 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharacter(testBUChars[1]);
- EXPECT_EQ(testBHash2, hasher.hash());
- EXPECT_EQ(testBHash2 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testBUChars[2], testBUChars[3]);
- EXPECT_EQ(testBHash4, hasher.hash());
- EXPECT_EQ(testBHash4 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
- hasher.addCharactersAssumingAligned(testBUChars + 4, 1);
- EXPECT_EQ(testBHash5, hasher.hash());
- EXPECT_EQ(testBHash5 & 0xFFFFFF, hasher.hashWithTop8BitsMasked());
-}
-
-TEST(StringHasherTest, StringHasher_computeHash) {
- EXPECT_EQ(emptyStringHash,
- StringHasher::computeHash(static_cast<LChar*>(0), 0));
- EXPECT_EQ(emptyStringHash, StringHasher::computeHash(nullLChars, 0));
- EXPECT_EQ(emptyStringHash,
- StringHasher::computeHash(static_cast<UChar*>(0), 0));
- EXPECT_EQ(emptyStringHash, StringHasher::computeHash(nullUChars, 0));
-
- EXPECT_EQ(singleNullCharacterHash, StringHasher::computeHash(nullLChars, 1));
- EXPECT_EQ(singleNullCharacterHash, StringHasher::computeHash(nullUChars, 1));
-
- EXPECT_EQ(testAHash5, StringHasher::computeHash(testALChars, 5));
- EXPECT_EQ(testAHash5, StringHasher::computeHash(testAUChars, 5));
- EXPECT_EQ(testBHash5, StringHasher::computeHash(testBUChars, 5));
-}
-
-TEST(StringHasherTest, StringHasher_computeHashAndMaskTop8Bits) {
- EXPECT_EQ(
- emptyStringHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(static_cast<LChar*>(0), 0));
- EXPECT_EQ(emptyStringHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(nullLChars, 0));
- EXPECT_EQ(
- emptyStringHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(static_cast<UChar*>(0), 0));
- EXPECT_EQ(emptyStringHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(nullUChars, 0));
-
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(nullLChars, 1));
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(nullUChars, 1));
-
- EXPECT_EQ(testAHash5 & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(testALChars, 5));
- EXPECT_EQ(testAHash5 & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(testAUChars, 5));
- EXPECT_EQ(testBHash5 & 0xFFFFFF,
- StringHasher::computeHashAndMaskTop8Bits(testBUChars, 5));
-}
-
-TEST(StringHasherTest, StringHasher_hashMemory) {
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, StringHasher::hashMemory(0, 0));
- EXPECT_EQ(emptyStringHash & 0xFFFFFF,
- StringHasher::hashMemory(nullUChars, 0));
- EXPECT_EQ(emptyStringHash & 0xFFFFFF, StringHasher::hashMemory<0>(0));
- EXPECT_EQ(emptyStringHash & 0xFFFFFF,
- StringHasher::hashMemory<0>(nullUChars));
-
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- StringHasher::hashMemory(nullUChars, 2));
- EXPECT_EQ(singleNullCharacterHash & 0xFFFFFF,
- StringHasher::hashMemory<2>(nullUChars));
-
- EXPECT_EQ(testAHash5 & 0xFFFFFF, StringHasher::hashMemory(testAUChars, 10));
- EXPECT_EQ(testAHash5 & 0xFFFFFF, StringHasher::hashMemory<10>(testAUChars));
- EXPECT_EQ(testBHash5 & 0xFFFFFF, StringHasher::hashMemory(testBUChars, 10));
- EXPECT_EQ(testBHash5 & 0xFFFFFF, StringHasher::hashMemory<10>(testBUChars));
-}
-
-} // namespace WTF
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