namespace {
ErrorOr<int> t1() {return 1;}
-ErrorOr<int> t2() {return make_error_code(errc::invalid_argument);}
+ErrorOr<int> t2() { return errc::invalid_argument; }
TEST(ErrorOr, SimpleValue) {
ErrorOr<int> a = t1();
a = t2();
EXPECT_FALSE(a);
EXPECT_EQ(errc::invalid_argument, a);
+#ifdef EXPECT_DEBUG_DEATH
EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
+#endif
}
#if LLVM_HAS_CXX11_STDLIB
*a = 42;
EXPECT_EQ(42, x);
+ EXPECT_FALSE(ErrorOr<void>(errc::broken_pipe));
+ EXPECT_TRUE(ErrorOr<void>(errc::success));
+
#if LLVM_HAS_CXX11_STDLIB
// Move only types.
EXPECT_EQ(3, **t3());
#endif
}
+
+struct B {};
+struct D : B {};
+
+TEST(ErrorOr, Covariant) {
+ ErrorOr<B*> b(ErrorOr<D*>(0));
+ b = ErrorOr<D*>(0);
+
+#if LLVM_HAS_CXX11_STDLIB
+ ErrorOr<std::unique_ptr<B> > b1(ErrorOr<std::unique_ptr<D> >(0));
+ b1 = ErrorOr<std::unique_ptr<D> >(0);
+#endif
+}
} // end anon namespace
struct InvalidArgError {
return InvalidArgError("adena");
}
+ErrorOr<void> t5() {
+ return InvalidArgError("pie");
+}
+
namespace {
TEST(ErrorOr, UserErrorData) {
ErrorOr<int> a = t4();
EXPECT_EQ(errc::invalid_argument, a);
EXPECT_EQ("adena", t4().getError<InvalidArgError>().ArgName);
+
+ ErrorOr<void> b = t5();
+ EXPECT_EQ(errc::invalid_argument, b);
+ EXPECT_EQ("pie", b.getError<InvalidArgError>().ArgName);
}
} // end anon namespace