llvm-project/clang/unittests/StaticAnalyzer/AnalyzerOptionsTest.cpp

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//===- unittest/StaticAnalyzer/AnalyzerOptionsTest.cpp - SA Options test --===//
//
// 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 "clang/StaticAnalyzer/Core/AnalyzerOptions.h"
#include "clang/StaticAnalyzer/Core/Checker.h"
#include "gtest/gtest.h"
namespace clang {
namespace ento {
TEST(StaticAnalyzerOptions, getRegisteredCheckers) {
auto IsDebugChecker = [](StringRef CheckerName) {
return CheckerName.startswith("debug");
};
auto IsAlphaChecker = [](StringRef CheckerName) {
return CheckerName.startswith("alpha");
};
const auto &AllCheckers =
AnalyzerOptions::getRegisteredCheckers(/*IncludeExperimental=*/true);
EXPECT_FALSE(llvm::any_of(AllCheckers, IsDebugChecker));
EXPECT_TRUE(llvm::any_of(AllCheckers, IsAlphaChecker));
const auto &StableCheckers = AnalyzerOptions::getRegisteredCheckers();
EXPECT_FALSE(llvm::any_of(StableCheckers, IsDebugChecker));
EXPECT_FALSE(llvm::any_of(StableCheckers, IsAlphaChecker));
}
TEST(StaticAnalyzerOptions, SearchInParentPackageTests) {
AnalyzerOptions Opts;
Opts.Config["Outer.Inner.CheckerOne:Option"] = "true";
Opts.Config["Outer.Inner:Option"] = "false";
Opts.Config["Outer.Inner:Option2"] = "true";
Opts.Config["Outer:Option2"] = "false";
struct CheckerOneMock : CheckerBase {
StringRef getTagDescription() const override {
return "Outer.Inner.CheckerOne";
}
};
struct CheckerTwoMock : CheckerBase {
StringRef getTagDescription() const override {
return "Outer.Inner.CheckerTwo";
}
};
// Checker one has Option specified as true. It should read true regardless of
// search mode.
CheckerOneMock CheckerOne;
EXPECT_TRUE(Opts.getCheckerBooleanOption("Option", false, &CheckerOne));
// The package option is overridden with a checker option.
EXPECT_TRUE(Opts.getCheckerBooleanOption("Option", false, &CheckerOne,
true));
// The Outer package option is overridden by the Inner package option. No
// package option is specified.
EXPECT_TRUE(Opts.getCheckerBooleanOption("Option2", false, &CheckerOne,
true));
// No package option is specified and search in packages is turned off. The
// default value should be returned.
EXPECT_FALSE(Opts.getCheckerBooleanOption("Option2", false, &CheckerOne));
EXPECT_TRUE(Opts.getCheckerBooleanOption("Option2", true, &CheckerOne));
// Checker true has no option specified. It should get the default value when
// search in parents turned off and false when search in parents turned on.
CheckerTwoMock CheckerTwo;
EXPECT_FALSE(Opts.getCheckerBooleanOption("Option", false, &CheckerTwo));
EXPECT_TRUE(Opts.getCheckerBooleanOption("Option", true, &CheckerTwo));
EXPECT_FALSE(Opts.getCheckerBooleanOption("Option", true, &CheckerTwo, true));
}
TEST(StaticAnalyzerOptions, StringOptions) {
AnalyzerOptions Opts;
Opts.Config["Outer.Inner.CheckerOne:Option"] = "StringValue";
struct CheckerOneMock : CheckerBase {
StringRef getTagDescription() const override {
return "Outer.Inner.CheckerOne";
}
};
CheckerOneMock CheckerOne;
EXPECT_TRUE("StringValue" ==
Opts.getCheckerStringOption("Option", "DefaultValue", &CheckerOne));
EXPECT_TRUE("DefaultValue" ==
Opts.getCheckerStringOption("Option2", "DefaultValue", &CheckerOne));
}
} // end namespace ento
} // end namespace clang