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3924f2e9bc
EXPECT_EQ takes two arguments, not a single expression that evaluates to bool. llvm-svn: 360969
109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
//===- llvm/unittest/ADT/PointerUnionTest.cpp - Optional unit tests -------===//
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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 "llvm/ADT/PointerUnion.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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typedef PointerUnion<int *, float *> PU;
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struct PointerUnionTest : public testing::Test {
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float f;
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int i;
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PU a, b, c, n;
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PointerUnionTest() : f(3.14f), i(42), a(&f), b(&i), c(&i), n() {}
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};
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TEST_F(PointerUnionTest, Comparison) {
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EXPECT_TRUE(a == a);
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EXPECT_FALSE(a != a);
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EXPECT_TRUE(a != b);
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EXPECT_FALSE(a == b);
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EXPECT_TRUE(b == c);
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EXPECT_FALSE(b != c);
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EXPECT_TRUE(b != n);
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EXPECT_FALSE(b == n);
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}
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TEST_F(PointerUnionTest, Null) {
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EXPECT_FALSE(a.isNull());
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EXPECT_FALSE(b.isNull());
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EXPECT_TRUE(n.isNull());
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EXPECT_FALSE(!a);
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EXPECT_FALSE(!b);
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EXPECT_TRUE(!n);
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// workaround an issue with EXPECT macros and explicit bool
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EXPECT_TRUE((bool)a);
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EXPECT_TRUE((bool)b);
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EXPECT_FALSE(n);
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EXPECT_NE(n, b);
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EXPECT_EQ(b, c);
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b = nullptr;
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EXPECT_EQ(n, b);
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EXPECT_NE(b, c);
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}
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TEST_F(PointerUnionTest, Is) {
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EXPECT_FALSE(a.is<int *>());
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EXPECT_TRUE(a.is<float *>());
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EXPECT_TRUE(b.is<int *>());
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EXPECT_FALSE(b.is<float *>());
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EXPECT_TRUE(n.is<int *>());
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EXPECT_FALSE(n.is<float *>());
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}
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TEST_F(PointerUnionTest, Get) {
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EXPECT_EQ(a.get<float *>(), &f);
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EXPECT_EQ(b.get<int *>(), &i);
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EXPECT_EQ(n.get<int *>(), (int *)nullptr);
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}
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template<int I> struct alignas(8) Aligned {};
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typedef PointerUnion<Aligned<0> *, Aligned<1> *, Aligned<2> *, Aligned<3> *,
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Aligned<4> *, Aligned<5> *, Aligned<6> *, Aligned<7> *>
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PU8;
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TEST_F(PointerUnionTest, ManyElements) {
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Aligned<0> a0;
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Aligned<7> a7;
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PU8 a = &a0;
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EXPECT_TRUE(a.is<Aligned<0>*>());
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EXPECT_FALSE(a.is<Aligned<1>*>());
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EXPECT_FALSE(a.is<Aligned<2>*>());
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EXPECT_FALSE(a.is<Aligned<3>*>());
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EXPECT_FALSE(a.is<Aligned<4>*>());
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EXPECT_FALSE(a.is<Aligned<5>*>());
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EXPECT_FALSE(a.is<Aligned<6>*>());
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EXPECT_FALSE(a.is<Aligned<7>*>());
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EXPECT_EQ(a.dyn_cast<Aligned<0>*>(), &a0);
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EXPECT_EQ(*a.getAddrOfPtr1(), &a0);
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a = &a7;
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EXPECT_FALSE(a.is<Aligned<0>*>());
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EXPECT_FALSE(a.is<Aligned<1>*>());
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EXPECT_FALSE(a.is<Aligned<2>*>());
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EXPECT_FALSE(a.is<Aligned<3>*>());
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EXPECT_FALSE(a.is<Aligned<4>*>());
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EXPECT_FALSE(a.is<Aligned<5>*>());
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EXPECT_FALSE(a.is<Aligned<6>*>());
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EXPECT_TRUE(a.is<Aligned<7>*>());
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EXPECT_EQ(a.dyn_cast<Aligned<7>*>(), &a7);
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EXPECT_TRUE(a == PU8(&a7));
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EXPECT_TRUE(a != PU8(&a0));
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}
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} // end anonymous namespace
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