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//===- SpecialCaseListTest.cpp - Unit tests for SpecialCaseList -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SpecialCaseList.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class SpecialCaseListTest : public ::testing::Test {
protected:
std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List,
std::string &Error) {
std::unique_ptr<MemoryBuffer> MB = MemoryBuffer::getMemBuffer(List);
return SpecialCaseList::create(MB.get(), Error);
}
std::unique_ptr<SpecialCaseList> makeSpecialCaseList(StringRef List) {
std::string Error;
auto SCL = makeSpecialCaseList(List, Error);
assert(SCL);
assert(Error == "");
return SCL;
}
std::string makeSpecialCaseListFile(StringRef Contents) {
int FD;
SmallString<64> Path;
sys::fs::createTemporaryFile("SpecialCaseListTest", "temp", FD, Path);
raw_fd_ostream OF(FD, true, true);
OF << Contents;
OF.close();
return Path.str();
}
};
TEST_F(SpecialCaseListTest, Basic) {
std::unique_ptr<SpecialCaseList> SCL =
makeSpecialCaseList("# This is a comment.\n"
"\n"
"src:hello\n"
"src:bye\n"
"src:hi=category\n"
"src:z*=category\n");
EXPECT_TRUE(SCL->inSection("src", "hello"));
EXPECT_TRUE(SCL->inSection("src", "bye"));
EXPECT_TRUE(SCL->inSection("src", "hi", "category"));
EXPECT_TRUE(SCL->inSection("src", "zzzz", "category"));
EXPECT_FALSE(SCL->inSection("src", "hi"));
EXPECT_FALSE(SCL->inSection("fun", "hello"));
EXPECT_FALSE(SCL->inSection("src", "hello", "category"));
}
TEST_F(SpecialCaseListTest, GlobalInit) {
std::unique_ptr<SpecialCaseList> SCL =
makeSpecialCaseList("global:foo=init\n");
EXPECT_FALSE(SCL->inSection("global", "foo"));
EXPECT_FALSE(SCL->inSection("global", "bar"));
EXPECT_TRUE(SCL->inSection("global", "foo", "init"));
EXPECT_FALSE(SCL->inSection("global", "bar", "init"));
SCL = makeSpecialCaseList("type:t2=init\n");
EXPECT_FALSE(SCL->inSection("type", "t1"));
EXPECT_FALSE(SCL->inSection("type", "t2"));
EXPECT_FALSE(SCL->inSection("type", "t1", "init"));
EXPECT_TRUE(SCL->inSection("type", "t2", "init"));
SCL = makeSpecialCaseList("src:hello=init\n");
EXPECT_FALSE(SCL->inSection("src", "hello"));
EXPECT_FALSE(SCL->inSection("src", "bye"));
EXPECT_TRUE(SCL->inSection("src", "hello", "init"));
EXPECT_FALSE(SCL->inSection("src", "bye", "init"));
}
TEST_F(SpecialCaseListTest, Substring) {
std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("src:hello\n"
"fun:foo\n"
"global:bar\n");
EXPECT_FALSE(SCL->inSection("src", "othello"));
EXPECT_FALSE(SCL->inSection("fun", "tomfoolery"));
EXPECT_FALSE(SCL->inSection("global", "bartender"));
SCL = makeSpecialCaseList("fun:*foo*\n");
EXPECT_TRUE(SCL->inSection("fun", "tomfoolery"));
EXPECT_TRUE(SCL->inSection("fun", "foobar"));
}
TEST_F(SpecialCaseListTest, InvalidSpecialCaseList) {
std::string Error;
EXPECT_EQ(nullptr, makeSpecialCaseList("badline", Error));
EXPECT_EQ("malformed line 1: 'badline'", Error);
EXPECT_EQ(nullptr, makeSpecialCaseList("src:bad[a-", Error));
EXPECT_EQ("malformed regex in line 1: 'bad[a-': invalid character range",
Error);
EXPECT_EQ(nullptr, makeSpecialCaseList("src:a.c\n"
"fun:fun(a\n",
Error));
EXPECT_EQ("malformed regex in line 2: 'fun(a': parentheses not balanced",
Error);
std::vector<std::string> Files(1, "unexisting");
EXPECT_EQ(nullptr, SpecialCaseList::create(Files, Error));
EXPECT_EQ(0U, Error.find("can't open file 'unexisting':"));
}
TEST_F(SpecialCaseListTest, EmptySpecialCaseList) {
std::unique_ptr<SpecialCaseList> SCL = makeSpecialCaseList("");
EXPECT_FALSE(SCL->inSection("foo", "bar"));
}
TEST_F(SpecialCaseListTest, MultipleBlacklists) {
std::vector<std::string> Files;
Files.push_back(makeSpecialCaseListFile("src:bar\n"
"src:*foo*\n"
"src:ban=init\n"));
Files.push_back(makeSpecialCaseListFile("src:baz\n"
"src:*fog*\n"));
auto SCL = SpecialCaseList::createOrDie(Files);
EXPECT_TRUE(SCL->inSection("src", "bar"));
EXPECT_TRUE(SCL->inSection("src", "baz"));
EXPECT_FALSE(SCL->inSection("src", "ban"));
EXPECT_TRUE(SCL->inSection("src", "ban", "init"));
EXPECT_TRUE(SCL->inSection("src", "tomfoolery"));
EXPECT_TRUE(SCL->inSection("src", "tomfoglery"));
}
}
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