summaryrefslogtreecommitdiffstats
path: root/test/SemaCXX/cxx0x-initializer-scalars.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/SemaCXX/cxx0x-initializer-scalars.cpp')
-rw-r--r--test/SemaCXX/cxx0x-initializer-scalars.cpp84
1 files changed, 83 insertions, 1 deletions
diff --git a/test/SemaCXX/cxx0x-initializer-scalars.cpp b/test/SemaCXX/cxx0x-initializer-scalars.cpp
index 41fc219..627855e 100644
--- a/test/SemaCXX/cxx0x-initializer-scalars.cpp
+++ b/test/SemaCXX/cxx0x-initializer-scalars.cpp
@@ -1,5 +1,40 @@
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
+struct one { char c[1]; };
+struct two { char c[2]; };
+
+namespace std {
+ typedef decltype(sizeof(int)) size_t;
+
+ // libc++'s implementation
+ template <class _E>
+ class initializer_list
+ {
+ const _E* __begin_;
+ size_t __size_;
+
+ initializer_list(const _E* __b, size_t __s)
+ : __begin_(__b),
+ __size_(__s)
+ {}
+
+ public:
+ typedef _E value_type;
+ typedef const _E& reference;
+ typedef const _E& const_reference;
+ typedef size_t size_type;
+
+ typedef const _E* iterator;
+ typedef const _E* const_iterator;
+
+ initializer_list() : __begin_(nullptr), __size_(0) {}
+
+ size_t size() const {return __size_;}
+ const _E* begin() const {return __begin_;}
+ const _E* end() const {return __begin_ + __size_;}
+ };
+}
+
namespace integral {
void initialization() {
@@ -12,6 +47,8 @@ namespace integral {
// FIXME: Redundant warnings.
{ const short a{100000}; } // expected-error {{cannot be narrowed}} expected-note {{inserting an explicit cast}} expected-warning {{changes value}}
{ const short a = {100000}; } // expected-error {{cannot be narrowed}} expected-note {{inserting an explicit cast}} expected-warning {{changes value}}
+ { if (const int a{1}) static_assert(a == 1, ""); }
+ { if (const int a = {1}) static_assert(a == 1, ""); }
}
int direct_usage() {
@@ -22,7 +59,7 @@ namespace integral {
}
void inline_init() {
- (void) int{1};
+ auto v = int{1};
(void) new int{1};
}
@@ -31,4 +68,49 @@ namespace integral {
A() : i{1} {}
};
+ void function_call() {
+ void takes_int(int);
+ takes_int({1});
+ }
+
+ void overloaded_call() {
+ one overloaded(int);
+ two overloaded(double);
+
+ static_assert(sizeof(overloaded({0})) == sizeof(one), "bad overload");
+ static_assert(sizeof(overloaded({0.0})) == sizeof(two), "bad overload");
+
+ void ambiguous(int, double); // expected-note {{candidate}}
+ void ambiguous(double, int); // expected-note {{candidate}}
+ ambiguous({0}, {0}); // expected-error {{ambiguous}}
+
+ void emptylist(int);
+ void emptylist(int, int, int);
+ emptylist({});
+ emptylist({}, {}, {});
+ }
+
+ void edge_cases() {
+ // FIXME: very poor error message
+ int a({0}); // expected-error {{cannot initialize}}
+ (void) int({0}); // expected-error {{functional-style cast}}
+ new int({0}); // expected-error {{cannot initialize}}
+ }
+
+ void default_argument(int i = {}) {
+ }
+ struct DefaultArgument {
+ void default_argument(int i = {}) {
+ }
+ };
+}
+
+namespace PR12118 {
+ void test() {
+ one f(std::initializer_list<int>);
+ two f(int);
+
+ // to initializer_list is preferred
+ static_assert(sizeof(f({0})) == sizeof(one), "bad overload");
+ }
}
OpenPOWER on IntegriCloud