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extend to cast<> and cast_or_null<> tests

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108854 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif 2010-07-20 16:51:18 +00:00
parent 133e295b36
commit 08993c03ab
1 changed files with 31 additions and 3 deletions
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34
unittests/Support/Casting.cpp
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@ -19,19 +19,47 @@ using namespace llvm;
namespace {
const foo *null_foo = NULL;
extern bar &B1;
extern const bar *B2;
// test various configurations of const
const bar &B3 = B1;
const bar *const B4 = B2;
TEST(CastingTest, isa) {
// test various configurations of const
const bar &B3 = B1;
const bar *const B4 = B2;
EXPECT_TRUE(isa<foo>(B1));
EXPECT_TRUE(isa<foo>(B2));
EXPECT_TRUE(isa<foo>(B3));
EXPECT_TRUE(isa<foo>(B4));
}
TEST(CastingTest, cast) {
foo &F1 = cast<foo>(B1);
EXPECT_NE(&F1, null_foo);
const foo *F3 = cast<foo>(B2);
EXPECT_NE(F3, null_foo);
const foo *F4 = cast<foo>(B2);
EXPECT_NE(F4, null_foo);
const foo &F8 = cast<foo>(B3);
EXPECT_NE(&F8, null_foo);
const foo *F9 = cast<foo>(B4);
EXPECT_NE(F9, null_foo);
foo *F10 = cast<foo>(fub());
EXPECT_EQ(F10, null_foo);
}
TEST(CastingTest, cast_or_null) {
const foo *F11 = cast_or_null<foo>(B2);
EXPECT_NE(F11, null_foo);
const foo *F12 = cast_or_null<foo>(B2);
EXPECT_NE(F12, null_foo);
const foo *F13 = cast_or_null<foo>(B4);
EXPECT_NE(F13, null_foo);
const foo *F14 = cast_or_null<foo>(fub()); // Shouldn't print.
EXPECT_EQ(F14, null_foo);
}
bar B;
bar &B1 = B;
const bar *B2 = &B;