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fa2581bf2f
Summary: This is a follow up to r288303, where I have introduced TrigramIndex to speed up SpecialCaseList for the cases when all rules are simple wildcards, like *hello*wor.d*. Here, I add support for escaping, so that it's possible to specify rules like *c\+\+abi*. Reviewers: pcc Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D27318 llvm-svn: 288553
133 lines
3.9 KiB
C++
133 lines
3.9 KiB
C++
//===- TrigramIndexTest.cpp - Unit tests for TrigramIndex -----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/TrigramIndex.h"
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#include "gtest/gtest.h"
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#include <string>
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#include <vector>
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using namespace llvm;
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namespace {
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class TrigramIndexTest : public ::testing::Test {
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protected:
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std::unique_ptr<TrigramIndex> makeTrigramIndex(
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std::vector<std::string> Rules) {
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std::unique_ptr<TrigramIndex> TI =
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make_unique<TrigramIndex>();
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for (auto &Rule : Rules)
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TI->insert(Rule);
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return TI;
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}
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};
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TEST_F(TrigramIndexTest, Empty) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({});
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EXPECT_FALSE(TI->isDefeated());
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EXPECT_TRUE(TI->isDefinitelyOut("foo"));
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}
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TEST_F(TrigramIndexTest, Basic) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*hello*", "*wor.d*"});
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EXPECT_FALSE(TI->isDefeated());
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EXPECT_TRUE(TI->isDefinitelyOut("foo"));
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}
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TEST_F(TrigramIndexTest, NoTrigramsInRules) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"b.r", "za*az"});
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EXPECT_TRUE(TI->isDefeated());
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EXPECT_FALSE(TI->isDefinitelyOut("foo"));
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EXPECT_FALSE(TI->isDefinitelyOut("bar"));
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EXPECT_FALSE(TI->isDefinitelyOut("zakaz"));
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}
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TEST_F(TrigramIndexTest, NoTrigramsInARule) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*hello*", "*wo.ld*"});
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EXPECT_TRUE(TI->isDefeated());
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EXPECT_FALSE(TI->isDefinitelyOut("foo"));
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}
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TEST_F(TrigramIndexTest, RepetitiveRule) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*bar*bar*bar*bar*bar", "bar*bar"});
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EXPECT_FALSE(TI->isDefeated());
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EXPECT_TRUE(TI->isDefinitelyOut("foo"));
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EXPECT_TRUE(TI->isDefinitelyOut("bar"));
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EXPECT_FALSE(TI->isDefinitelyOut("barbara"));
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EXPECT_FALSE(TI->isDefinitelyOut("bar+bar"));
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}
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TEST_F(TrigramIndexTest, PopularTrigram) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*aaa*", "*aaaa*", "*aaaaa*", "*aaaaa*", "*aaaaaa*"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, PopularTrigram2) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"class1.h", "class2.h", "class3.h", "class4.h", "class.h"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, TooComplicatedRegex) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"[0-9]+"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, TooComplicatedRegex2) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"foo|bar"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, EscapedSymbols) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*c\\+\\+*", "*hello\\\\world*", "a\\tb", "a\\0b"});
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EXPECT_FALSE(TI->isDefeated());
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EXPECT_FALSE(TI->isDefinitelyOut("c++"));
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EXPECT_TRUE(TI->isDefinitelyOut("c\\+\\+"));
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EXPECT_FALSE(TI->isDefinitelyOut("hello\\world"));
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EXPECT_TRUE(TI->isDefinitelyOut("hello\\\\world"));
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EXPECT_FALSE(TI->isDefinitelyOut("atb"));
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EXPECT_TRUE(TI->isDefinitelyOut("a\\tb"));
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EXPECT_TRUE(TI->isDefinitelyOut("a\tb"));
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EXPECT_FALSE(TI->isDefinitelyOut("a0b"));
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}
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TEST_F(TrigramIndexTest, Backreference1) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*foo\\1*"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, Backreference2) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"*foo\\2*"});
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EXPECT_TRUE(TI->isDefeated());
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}
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TEST_F(TrigramIndexTest, Sequence) {
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std::unique_ptr<TrigramIndex> TI =
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makeTrigramIndex({"class1.h", "class2.h", "class3.h", "class4.h"});
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EXPECT_FALSE(TI->isDefeated());
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EXPECT_FALSE(TI->isDefinitelyOut("class1"));
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EXPECT_TRUE(TI->isDefinitelyOut("class.h"));
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EXPECT_TRUE(TI->isDefinitelyOut("class"));
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}
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} // namespace
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