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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/SemaCXX/bitfield-layout.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/SemaCXX/bitfield-layout.cpp')
-rw-r--r-- | clang/test/SemaCXX/bitfield-layout.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/bitfield-layout.cpp b/clang/test/SemaCXX/bitfield-layout.cpp new file mode 100644 index 0000000..adecf55 --- /dev/null +++ b/clang/test/SemaCXX/bitfield-layout.cpp @@ -0,0 +1,30 @@ +// RUN: %clang_cc1 %s -fsyntax-only -verify -triple=x86_64-apple-darwin10 + +#define CHECK_SIZE(name, size) extern int name##1[sizeof(name) == size ? 1 : -1]; +#define CHECK_ALIGN(name, size) extern int name##2[__alignof(name) == size ? 1 : -1]; + +// Simple tests. +struct Test1 { + char c : 9; // expected-warning {{size of bit-field 'c' (9 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test1, 2); +CHECK_ALIGN(Test1, 1); + +struct Test2 { + char c : 16; // expected-warning {{size of bit-field 'c' (16 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test2, 2); +CHECK_ALIGN(Test2, 2); + +struct Test3 { + char c : 32; // expected-warning {{size of bit-field 'c' (32 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test3, 4); +CHECK_ALIGN(Test3, 4); + +struct Test4 { + char c : 64; // expected-warning {{size of bit-field 'c' (64 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test4, 8); +CHECK_ALIGN(Test4, 8); + |