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add dyn_cast_or_null tests, exclude invalid dyn_cast test

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llvm-svn: 109111
This commit is contained in:
Gabor Greif 2010-07-22 15:37:20 +00:00
parent 819f063563
commit e0be902ad9
1 changed files with 25 additions and 8 deletions
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33
unittests/Support/Casting.cpp
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@ -23,7 +23,8 @@ struct bar {
bar() {}
struct foo *baz();
struct foo *caz();
// struct foo *daz();
struct foo *daz();
struct foo *naz();
private:
bar(const bar &);
};
@ -35,7 +36,7 @@ struct foo {
}*/
};
template <> struct isa_impl<foo,bar> {
template <> struct isa_impl<foo, bar> {
static inline bool doit(const bar &Val) {
dbgs() << "Classof: " << &Val << "\n";
return true;
@ -50,10 +51,13 @@ foo *bar::caz() {
return cast_or_null<foo>(this);
}
/*foo *bar::daz() {
foo *bar::daz() {
return dyn_cast<foo>(this);
}*/
}
foo *bar::naz() {
return dyn_cast_or_null<foo>(this);
}
bar *fub();
@ -115,10 +119,23 @@ TEST(CastingTest, dyn_cast) {
EXPECT_NE(F2, null_foo);
const foo *F3 = dyn_cast<foo>(B4);
EXPECT_NE(F3, null_foo);
foo *F4 = dyn_cast<foo>(fub());
// foo *F4 = dyn_cast<foo>(fub()); // not permittible
// EXPECT_EQ(F4, null_foo);
foo *F5 = B1.daz();
EXPECT_NE(F5, null_foo);
}
TEST(CastingTest, dyn_cast_or_null) {
const foo *F1 = dyn_cast_or_null<foo>(B2);
EXPECT_NE(F1, null_foo);
const foo *F2 = dyn_cast_or_null<foo>(B2);
EXPECT_NE(F2, null_foo);
const foo *F3 = dyn_cast_or_null<foo>(B4);
EXPECT_NE(F3, null_foo);
foo *F4 = dyn_cast_or_null<foo>(fub());
EXPECT_EQ(F4, null_foo);
// foo *F5 = B1.daz();
// EXPECT_NE(F5, null_foo);
foo *F5 = B1.naz();
EXPECT_NE(F5, null_foo);
}
// These lines are errors...