GlobPatternTest.cpp
4.61 KB
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//===- llvm/unittest/Support/GlobPatternTest.cpp --------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/GlobPattern.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class GlobPatternTest : public ::testing::Test {};
TEST_F(GlobPatternTest, Empty) {
Expected<GlobPattern> Pat1 = GlobPattern::create("");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match(""));
EXPECT_FALSE(Pat1->match("a"));
}
TEST_F(GlobPatternTest, Glob) {
Expected<GlobPattern> Pat1 = GlobPattern::create("ab*c*def");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("abcdef"));
EXPECT_TRUE(Pat1->match("abxcxdef"));
EXPECT_FALSE(Pat1->match(""));
EXPECT_FALSE(Pat1->match("xabcdef"));
EXPECT_FALSE(Pat1->match("abcdefx"));
}
TEST_F(GlobPatternTest, Wildcard) {
Expected<GlobPattern> Pat1 = GlobPattern::create("a??c");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("axxc"));
EXPECT_FALSE(Pat1->match("axxx"));
EXPECT_FALSE(Pat1->match(""));
}
TEST_F(GlobPatternTest, Escape) {
Expected<GlobPattern> Pat1 = GlobPattern::create("\\*");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("*"));
EXPECT_FALSE(Pat1->match("\\*"));
EXPECT_FALSE(Pat1->match("a"));
Expected<GlobPattern> Pat2 = GlobPattern::create("a?\\?c");
EXPECT_TRUE((bool)Pat2);
EXPECT_TRUE(Pat2->match("ax?c"));
EXPECT_FALSE(Pat2->match("axxc"));
EXPECT_FALSE(Pat2->match(""));
}
TEST_F(GlobPatternTest, BasicCharacterClass) {
Expected<GlobPattern> Pat1 = GlobPattern::create("[abc-fy-z]");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("a"));
EXPECT_TRUE(Pat1->match("b"));
EXPECT_TRUE(Pat1->match("c"));
EXPECT_TRUE(Pat1->match("d"));
EXPECT_TRUE(Pat1->match("e"));
EXPECT_TRUE(Pat1->match("f"));
EXPECT_TRUE(Pat1->match("y"));
EXPECT_TRUE(Pat1->match("z"));
EXPECT_FALSE(Pat1->match("g"));
EXPECT_FALSE(Pat1->match(""));
}
TEST_F(GlobPatternTest, NegatedCharacterClass) {
Expected<GlobPattern> Pat1 = GlobPattern::create("[^abc-fy-z]");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("g"));
EXPECT_FALSE(Pat1->match("a"));
EXPECT_FALSE(Pat1->match("b"));
EXPECT_FALSE(Pat1->match("c"));
EXPECT_FALSE(Pat1->match("d"));
EXPECT_FALSE(Pat1->match("e"));
EXPECT_FALSE(Pat1->match("f"));
EXPECT_FALSE(Pat1->match("y"));
EXPECT_FALSE(Pat1->match("z"));
EXPECT_FALSE(Pat1->match(""));
Expected<GlobPattern> Pat2 = GlobPattern::create("[!abc-fy-z]");
EXPECT_TRUE((bool)Pat2);
EXPECT_TRUE(Pat2->match("g"));
EXPECT_FALSE(Pat2->match("a"));
EXPECT_FALSE(Pat2->match("b"));
EXPECT_FALSE(Pat2->match("c"));
EXPECT_FALSE(Pat2->match("d"));
EXPECT_FALSE(Pat2->match("e"));
EXPECT_FALSE(Pat2->match("f"));
EXPECT_FALSE(Pat2->match("y"));
EXPECT_FALSE(Pat2->match("z"));
EXPECT_FALSE(Pat2->match(""));
}
TEST_F(GlobPatternTest, BracketFrontOfCharacterClass) {
Expected<GlobPattern> Pat1 = GlobPattern::create("[]a]x");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("]x"));
EXPECT_TRUE(Pat1->match("ax"));
EXPECT_FALSE(Pat1->match("a]x"));
EXPECT_FALSE(Pat1->match(""));
}
TEST_F(GlobPatternTest, SpecialCharsInCharacterClass) {
Expected<GlobPattern> Pat1 = GlobPattern::create("[*?^]");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("*"));
EXPECT_TRUE(Pat1->match("?"));
EXPECT_TRUE(Pat1->match("^"));
EXPECT_FALSE(Pat1->match("*?^"));
EXPECT_FALSE(Pat1->match(""));
}
TEST_F(GlobPatternTest, Invalid) {
Expected<GlobPattern> Pat1 = GlobPattern::create("[");
EXPECT_FALSE((bool)Pat1);
handleAllErrors(Pat1.takeError(), [&](ErrorInfoBase &EIB) {});
Expected<GlobPattern> Pat2 = GlobPattern::create("[]");
EXPECT_FALSE((bool)Pat2);
handleAllErrors(Pat2.takeError(), [&](ErrorInfoBase &EIB) {});
}
TEST_F(GlobPatternTest, ExtSym) {
Expected<GlobPattern> Pat1 = GlobPattern::create("a*\xFF");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->match("axxx\xFF"));
Expected<GlobPattern> Pat2 = GlobPattern::create("[\xFF-\xFF]");
EXPECT_TRUE((bool)Pat2);
EXPECT_TRUE(Pat2->match("\xFF"));
}
TEST_F(GlobPatternTest, IsTrivialMatchAll) {
Expected<GlobPattern> Pat1 = GlobPattern::create("*");
EXPECT_TRUE((bool)Pat1);
EXPECT_TRUE(Pat1->isTrivialMatchAll());
const char *NegativeCases[] = {"a*", "*a", "?*", "*?", "**", "\\*"};
for (auto *P : NegativeCases) {
Expected<GlobPattern> Pat2 = GlobPattern::create(P);
EXPECT_TRUE((bool)Pat2);
EXPECT_FALSE(Pat2->isTrivialMatchAll());
}
}
}