//===----------------------------------------------------------------------===//
#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/Errc.h"
#include "gtest/gtest.h"
#include <memory>
namespace {
ErrorOr<int> t1() {return 1;}
-ErrorOr<int> t2() { return std::errc::invalid_argument; }
+ErrorOr<int> t2() { return errc::invalid_argument; }
TEST(ErrorOr, SimpleValue) {
ErrorOr<int> a = t1();
a = t2();
EXPECT_FALSE(a);
- EXPECT_EQ(std::errc::invalid_argument, a.getError());
+ EXPECT_EQ(a.getError(), errc::invalid_argument);
#ifdef EXPECT_DEBUG_DEATH
EXPECT_DEBUG_DEATH(*a, "Cannot get value when an error exists");
#endif
ErrorOr<std::unique_ptr<B> > b1(ErrorOr<std::unique_ptr<D> >(nullptr));
b1 = ErrorOr<std::unique_ptr<D> >(nullptr);
+
+ ErrorOr<std::unique_ptr<int>> b2(ErrorOr<int *>(nullptr));
+ ErrorOr<int *> b3(nullptr);
+ ErrorOr<std::unique_ptr<int>> b4(b3);
}
+
+// ErrorOr<int*> x(nullptr);
+// ErrorOr<std::unique_ptr<int>> y = x; // invalid conversion
+static_assert(
+ !std::is_convertible<const ErrorOr<int *> &,
+ ErrorOr<std::unique_ptr<int>>>::value,
+ "do not invoke explicit ctors in implicit conversion from lvalue");
+
+// ErrorOr<std::unique_ptr<int>> y = ErrorOr<int*>(nullptr); // invalid
+// // conversion
+static_assert(
+ !std::is_convertible<ErrorOr<int *> &&,
+ ErrorOr<std::unique_ptr<int>>>::value,
+ "do not invoke explicit ctors in implicit conversion from rvalue");
+
+// ErrorOr<int*> x(nullptr);
+// ErrorOr<std::unique_ptr<int>> y;
+// y = x; // invalid conversion
+static_assert(!std::is_assignable<ErrorOr<std::unique_ptr<int>>,
+ const ErrorOr<int *> &>::value,
+ "do not invoke explicit ctors in assignment");
+
+// ErrorOr<std::unique_ptr<int>> x;
+// x = ErrorOr<int*>(nullptr); // invalid conversion
+static_assert(!std::is_assignable<ErrorOr<std::unique_ptr<int>>,
+ ErrorOr<int *> &&>::value,
+ "do not invoke explicit ctors in assignment");
} // end anon namespace