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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/CXX/expr/expr.unary/expr.new/p20.cpp | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/CXX/expr/expr.unary/expr.new/p20.cpp')
-rw-r--r-- | clang/test/CXX/expr/expr.unary/expr.new/p20.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/clang/test/CXX/expr/expr.unary/expr.new/p20.cpp b/clang/test/CXX/expr/expr.unary/expr.new/p20.cpp new file mode 100644 index 0000000..8cbe2b9 --- /dev/null +++ b/clang/test/CXX/expr/expr.unary/expr.new/p20.cpp @@ -0,0 +1,141 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -fexceptions %s +typedef __SIZE_TYPE__ size_t; + +// Overloaded operator delete with two arguments +template<int I> +struct X0 { + X0(); + static void* operator new(size_t); + static void operator delete(void*, size_t) { + int *ip = I; // expected-error{{cannot initialize}} + } +}; + +void test_X0() { + new X0<1>; // expected-note{{instantiation}} +} + +// Overloaded operator delete with one argument +template<int I> +struct X1 { + X1(); + + static void* operator new(size_t); + static void operator delete(void*) { + int *ip = I; // expected-error{{cannot initialize}} + } +}; + +void test_X1() { + new X1<1>; // expected-note{{instantiation}} +} + +// Overloaded operator delete for placement new +template<int I> +struct X2 { + X2(); + + static void* operator new(size_t, double, double); + static void* operator new(size_t, int, int); + + static void operator delete(void*, const int, int) { + int *ip = I; // expected-error{{cannot initialize}} + } + + static void operator delete(void*, double, double); +}; + +void test_X2() { + new (0, 0) X2<1>; // expected-note{{instantiation}} +} + +// Operator delete template for placement new +struct X3 { + X3(); + + static void* operator new(size_t, double, double); + + template<typename T> + static void operator delete(void*, T x, T) { + double *dp = &x; + int *ip = &x; // expected-error{{cannot initialize}} + } +}; + +void test_X3() { + new (0, 0) X3; // expected-note{{instantiation}} +} + +// Operator delete template for placement new in global scope. +struct X4 { + X4(); + static void* operator new(size_t, double, double); +}; + +template<typename T> +void operator delete(void*, T x, T) { + double *dp = &x; + int *ip = &x; // expected-error{{cannot initialize}} +} + +void test_X4() { + new (0, 0) X4; // expected-note{{instantiation}} +} + +// Useless operator delete hides global operator delete template. +struct X5 { + X5(); + static void* operator new(size_t, double, double); + void operator delete(void*, double*, double*); +}; + +void test_X5() { + new (0, 0) X5; // okay, we found X5::operator delete but didn't pick it +} + +// Operator delete template for placement new +template<int I> +struct X6 { + X6(); + + static void* operator new(size_t) { + return I; // expected-error{{cannot initialize}} + } + + static void operator delete(void*) { + int *ip = I; // expected-error{{cannot initialize}} + } +}; + +void test_X6() { + new X6<3>; // expected-note 2{{instantiation}} +} + +void *operator new(size_t, double, double, double); + +template<typename T> +void operator delete(void*, T x, T, T) { + double *dp = &x; + int *ip = &x; // expected-error{{cannot initialize}} +} +void test_int_new() { + new (1.0, 1.0, 1.0) int; // expected-note{{instantiation}} +} + +// We don't need an operator delete if the type has a trivial +// constructor, since we know that constructor cannot throw. +// FIXME: Is this within the standard? Seems fishy, but both EDG+GCC do it. +#if 0 +template<int I> +struct X7 { + static void* operator new(size_t); + static void operator delete(void*, size_t) { + int *ip = I; // okay, since it isn't instantiated. + } +}; + +void test_X7() { + new X7<1>; +} +#endif + |