116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
//===- unittests/Analysis/FlowSensitive/DebugSupportTest.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 "clang/Analysis/FlowSensitive/DebugSupport.h"
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#include "TestingSupport.h"
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#include "clang/Analysis/FlowSensitive/Formula.h"
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#include "llvm/Support/ScopedPrinter.h"
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#include "llvm/Support/raw_ostream.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace {
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using namespace clang;
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using namespace dataflow;
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using test::ConstraintContext;
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using testing::StrEq;
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TEST(BoolValueDebugStringTest, AtomicBoolean) {
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ConstraintContext Ctx;
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auto B = Ctx.atom();
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auto Expected = "V0";
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EXPECT_THAT(llvm::to_string(*B), StrEq(Expected));
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}
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TEST(BoolValueDebugStringTest, Literal) {
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ConstraintContext Ctx;
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EXPECT_EQ("true", llvm::to_string(*Ctx.literal(true)));
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EXPECT_EQ("false", llvm::to_string(*Ctx.literal(false)));
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}
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TEST(BoolValueDebugStringTest, Negation) {
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ConstraintContext Ctx;
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auto B = Ctx.neg(Ctx.atom());
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auto Expected = "!V0";
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EXPECT_THAT(llvm::to_string(*B), StrEq(Expected));
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}
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TEST(BoolValueDebugStringTest, Conjunction) {
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ConstraintContext Ctx;
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auto *V0 = Ctx.atom();
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auto *V1 = Ctx.atom();
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EXPECT_EQ("(V0 & V1)", llvm::to_string(*Ctx.conj(V0, V1)));
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}
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TEST(BoolValueDebugStringTest, Disjunction) {
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ConstraintContext Ctx;
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auto *V0 = Ctx.atom();
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auto *V1 = Ctx.atom();
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EXPECT_EQ("(V0 | V1)", llvm::to_string(*Ctx.disj(V0, V1)));
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}
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TEST(BoolValueDebugStringTest, Implication) {
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ConstraintContext Ctx;
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auto *V0 = Ctx.atom();
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auto *V1 = Ctx.atom();
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EXPECT_EQ("(V0 => V1)", llvm::to_string(*Ctx.impl(V0, V1)));
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}
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TEST(BoolValueDebugStringTest, Iff) {
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ConstraintContext Ctx;
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auto *V0 = Ctx.atom();
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auto *V1 = Ctx.atom();
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EXPECT_EQ("(V0 = V1)", llvm::to_string(*Ctx.iff(V0, V1)));
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}
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TEST(BoolValueDebugStringTest, Xor) {
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ConstraintContext Ctx;
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auto V0 = Ctx.atom();
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auto V1 = Ctx.atom();
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auto B = Ctx.disj(Ctx.conj(V0, Ctx.neg(V1)), Ctx.conj(Ctx.neg(V0), V1));
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auto Expected = "((V0 & !V1) | (!V0 & V1))";
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EXPECT_THAT(llvm::to_string(*B), StrEq(Expected));
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}
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TEST(BoolValueDebugStringTest, NestedBoolean) {
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ConstraintContext Ctx;
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auto V0 = Ctx.atom();
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auto V1 = Ctx.atom();
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auto V2 = Ctx.atom();
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auto V3 = Ctx.atom();
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auto V4 = Ctx.atom();
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auto B = Ctx.conj(V0, Ctx.disj(V1, Ctx.conj(V2, Ctx.disj(V3, V4))));
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auto Expected = "(V0 & (V1 | (V2 & (V3 | V4))))";
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EXPECT_THAT(llvm::to_string(*B), StrEq(Expected));
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}
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TEST(BoolValueDebugStringTest, ComplexBooleanWithSomeNames) {
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ConstraintContext Ctx;
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auto X = Ctx.atom();
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auto Y = Ctx.atom();
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Formula::AtomNames Names;
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Names[X->getAtom()] = "X";
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Names[Y->getAtom()] = "Y";
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auto V2 = Ctx.atom();
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auto V3 = Ctx.atom();
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auto B = Ctx.disj(Ctx.conj(Y, V2), Ctx.disj(X, V3));
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auto Expected = R"(((Y & V2) | (X | V3)))";
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std::string Actual;
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llvm::raw_string_ostream OS(Actual);
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B->print(OS, &Names);
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EXPECT_THAT(Actual, StrEq(Expected));
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}
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} // namespace
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