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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
//===---------- llvm/unittest/Support/DJBTest.cpp -------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/DJB.h"
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#include "llvm/ADT/Twine.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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TEST(DJBTest, caseFolding) {
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struct TestCase {
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StringLiteral One;
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StringLiteral Two;
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};
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static constexpr TestCase Tests[] = {
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{{"ASDF"}, {"asdf"}},
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{{"qWeR"}, {"QwEr"}},
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{{"qqqqqqqqqqqqqqqqqqqq"}, {"QQQQQQQQQQQQQQQQQQQQ"}},
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{{"I"}, {"i"}},
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// Latin Small Letter Dotless I
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{{u8"\u0130"}, {"i"}},
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// Latin Capital Letter I With Dot Above
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{{u8"\u0131"}, {"i"}},
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// Latin Capital Letter A With Grave
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{{u8"\u00c0"}, {u8"\u00e0"}},
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// Latin Capital Letter A With Macron
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{{u8"\u0100"}, {u8"\u0101"}},
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// Latin Capital Letter L With Acute
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{{u8"\u0139"}, {u8"\u013a"}},
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// Cyrillic Capital Letter Ie
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{{u8"\u0415"}, {u8"\u0435"}},
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// Latin Capital Letter A With Circumflex And Grave
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{{u8"\u1ea6"}, {u8"\u1ea7"}},
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// Kelvin Sign
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{{u8"\u212a"}, {u8"\u006b"}},
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// Glagolitic Capital Letter Chrivi
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{{u8"\u2c1d"}, {u8"\u2c4d"}},
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// Fullwidth Latin Capital Letter M
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{{u8"\uff2d"}, {u8"\uff4d"}},
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// Old Hungarian Capital Letter Ej
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{{u8"\U00010c92"}, {u8"\U00010cd2"}},
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};
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for (const TestCase &T : Tests) {
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SCOPED_TRACE("Comparing '" + T.One + "' and '" + T.Two + "'");
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EXPECT_EQ(caseFoldingDjbHash(T.One), caseFoldingDjbHash(T.Two));
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}
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}
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TEST(DJBTest, knownValuesLowerCase) {
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struct TestCase {
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StringLiteral Text;
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uint32_t Hash;
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};
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static constexpr TestCase Tests[] = {
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{{""}, 5381u},
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{{"f"}, 177675u},
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{{"fo"}, 5863386u},
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{{"foo"}, 193491849u},
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{{"foob"}, 2090263819u},
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{{"fooba"}, 259229388u},
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{{"foobar"}, 4259602622u},
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{{"pneumonoultramicroscopicsilicovolcanoconiosis"}, 3999417781u},
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};
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for (const TestCase &T : Tests) {
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SCOPED_TRACE("Text: '" + T.Text + "'");
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EXPECT_EQ(T.Hash, djbHash(T.Text));
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EXPECT_EQ(T.Hash, caseFoldingDjbHash(T.Text));
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EXPECT_EQ(T.Hash, caseFoldingDjbHash(T.Text.upper()));
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}
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}
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TEST(DJBTest, knownValuesUnicode) {
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EXPECT_EQ(5866553u, djbHash(u8"\u0130"));
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EXPECT_EQ(177678u, caseFoldingDjbHash(u8"\u0130"));
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EXPECT_EQ(
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1302161417u,
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djbHash(
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u8"\u0130\u0131\u00c0\u00e0\u0100\u0101\u0139\u013a\u0415\u0435\u1ea6"
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u8"\u1ea7\u212a\u006b\u2c1d\u2c4d\uff2d\uff4d\U00010c92\U00010cd2"));
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EXPECT_EQ(
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1145571043u,
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caseFoldingDjbHash(
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u8"\u0130\u0131\u00c0\u00e0\u0100\u0101\u0139\u013a\u0415\u0435\u1ea6"
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u8"\u1ea7\u212a\u006b\u2c1d\u2c4d\uff2d\uff4d\U00010c92\U00010cd2"));
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}
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