From eb82a420c8898ea71e13d82e6646d33f49fc574c Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Thu, 20 Jun 2013 01:35:13 +0000
Subject: [PATCH] Add a few more tests for casts.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184392 91177308-0d34-0410-b5e6-96231b3b80d8
---
test/SemaCXX/cast-conversion.cpp | 8 ++++++++
test/SemaCXX/member-pointer-ms.cpp | 5 +++--
test/SemaCXX/nullptr.cpp | 3 +++
3 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/test/SemaCXX/cast-conversion.cpp b/test/SemaCXX/cast-conversion.cpp
index 270f96831bd..76b09997ef1 100644
--- a/test/SemaCXX/cast-conversion.cpp
+++ b/test/SemaCXX/cast-conversion.cpp
@@ -65,3 +65,11 @@ void *intToPointer4() {
void *intToPointer5(long l) {
return (void*)l;
}
+
+struct AmbiguousCast {
+ operator int(); // expected-note {{candidate function}}
+ operator unsigned int(); // expected-note {{candidate function}}
+};
+long long AmbiguousCastFunc(AmbiguousCast& a) {
+ return static_cast<long long>(a); // expected-error {{ambiguous conversion for static_cast from 'AmbiguousCast' to 'long long'}}
+}
diff --git a/test/SemaCXX/member-pointer-ms.cpp b/test/SemaCXX/member-pointer-ms.cpp
index 7dca1219058..aee8e2eca77 100644
--- a/test/SemaCXX/member-pointer-ms.cpp
+++ b/test/SemaCXX/member-pointer-ms.cpp
@@ -5,8 +5,6 @@
// 2012, which supports C++11 and static_assert. It should pass for both 64-bit
// and 32-bit x86.
//
-// expected-no-diagnostics
-
// Test the size of various member pointer combinations:
// - complete and incomplete
// - single, multiple, and virtual inheritance (and unspecified for incomplete)
@@ -165,3 +163,6 @@ struct MemPtrInTemplate {
int T::*data_ptr;
void (T::*func_ptr)();
};
+
+int Virtual::*CastTest = reinterpret_cast<int Virtual::*>(&AA::x);
+ // expected-error@-1 {{cannot reinterpret_cast from member pointer type}}
diff --git a/test/SemaCXX/nullptr.cpp b/test/SemaCXX/nullptr.cpp
index b49f63b9805..28798a4f8ce 100644
--- a/test/SemaCXX/nullptr.cpp
+++ b/test/SemaCXX/nullptr.cpp
@@ -64,6 +64,9 @@ nullptr_t f(nullptr_t null)
(void)reinterpret_cast<uintptr_t>(nullptr);
(void)reinterpret_cast<uintptr_t>(*pn);
+ // You can't reinterpret_cast nullptr to any integer
+ (void)reinterpret_cast<char>(nullptr); // expected-error {{cast from pointer to smaller type 'char' loses information}}
+
int *ip = *pn;
if (*pn) { }
--
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