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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/Lexer/constants.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Lexer/constants.c')
-rw-r--r-- | clang/test/Lexer/constants.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/clang/test/Lexer/constants.c b/clang/test/Lexer/constants.c new file mode 100644 index 0000000..2903885 --- /dev/null +++ b/clang/test/Lexer/constants.c @@ -0,0 +1,69 @@ +// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -trigraphs %s + +int x = 000000080; // expected-error {{invalid digit}} + +int y = 0000\ +00080; // expected-error {{invalid digit}} + + + +float X = 1.17549435e-38F; +float Y = 08.123456; + +// PR2252 +#if -0x8000000000000000 // should not warn. +#endif + + +int c[] = { + 'df', // expected-warning {{multi-character character constant}} + '\t', + '\\ +t', + '??!', // expected-warning {{trigraph converted to '|' character}} + 'abcd' // expected-warning {{multi-character character constant}} +}; + +// PR4499 +int m0 = '0'; +int m1 = '\\\''; // expected-warning {{multi-character character constant}} +int m2 = '\\\\'; // expected-warning {{multi-character character constant}} +int m3 = '\\\ +'; + + +#pragma clang diagnostic ignored "-Wmultichar" + +int d = 'df'; // no warning. +int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}} + +#pragma clang diagnostic ignored "-Wfour-char-constants" + +int f = 'abcd'; // ignored. + +// rdar://problem/6974641 +float t0[] = { + 1.9e20f, + 1.9e-20f, + 1.9e50f, // expected-warning {{too large}} + 1.9e-50f, // expected-warning {{too small}} + -1.9e20f, + -1.9e-20f, + -1.9e50f, // expected-warning {{too large}} + -1.9e-50f // expected-warning {{too small}} +}; +double t1[] = { + 1.9e50, + 1.9e-50, + 1.9e500, // expected-warning {{too large}} + 1.9e-500, // expected-warning {{too small}} + -1.9e50, + -1.9e-50, + -1.9e500, // expected-warning {{too large}} + -1.9e-500 // expected-warning {{too small}} +}; + +// PR7888 +double g = 1e100000000; // expected-warning {{too large}} + +char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}} |