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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Lexer/constants.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (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.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/clang/test/Lexer/constants.c b/clang/test/Lexer/constants.c
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+// 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}}