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clear it out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207471 91177308-0d34-0410-b5e6-96231b3b80d8
73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
//===- llvm/unittest/ADT/PointerUnionTest.cpp - Optional unit tests -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "gtest/gtest.h"
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#include "llvm/ADT/PointerUnion.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 *)0);
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}
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} // end anonymous namespace
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