| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -ftrigraphs %s |
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| 2 | |
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| 3 | int x = 000000080; // expected-error {{invalid digit}} |
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| 4 | |
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| 5 | int y = 0000\ |
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| 6 | 00080; // expected-error {{invalid digit}} |
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| 7 | |
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| 8 | |
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| 9 | |
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| 10 | float X = 1.17549435e-38F; |
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| 11 | float Y = 08.123456; |
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| 12 | |
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| 13 | // PR2252 |
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| 14 | #if -0x8000000000000000 // should not warn. |
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| 15 | #endif |
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| 16 | #if -01000000000000000000000 // should not warn. |
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| 17 | #endif |
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| 18 | #if 9223372036854775808 // expected-warning {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} |
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| 19 | #endif |
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| 20 | #if 0x10000000000000000 // expected-error {{integer literal is too large to be represented in any integer type}} |
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| 21 | #endif |
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| 22 | |
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| 23 | int c[] = { |
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| 24 | 'df', // expected-warning {{multi-character character constant}} |
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| 25 | '\t', |
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| 26 | '\\ |
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| 27 | t', |
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| 28 | '??!', // expected-warning {{trigraph converted to '|' character}} |
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| 29 | 'abcd' // expected-warning {{multi-character character constant}} |
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| 30 | }; |
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| 31 | |
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| 32 | // PR4499 |
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| 33 | int m0 = '0'; |
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| 34 | int m1 = '\\\''; // expected-warning {{multi-character character constant}} |
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| 35 | int m2 = '\\\\'; // expected-warning {{multi-character character constant}} |
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| 36 | int m3 = '\\\ |
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| 37 | '; |
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| 38 | |
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| 39 | |
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| 40 | #pragma clang diagnostic ignored "-Wmultichar" |
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| 41 | |
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| 42 | int d = 'df'; // no warning. |
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| 43 | int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}} |
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| 44 | |
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| 45 | #pragma clang diagnostic ignored "-Wfour-char-constants" |
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| 46 | |
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| 47 | int f = 'abcd'; // ignored. |
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| 48 | |
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| 49 | // rdar://problem/6974641 |
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| 50 | float t0[] = { |
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| 51 | 1.9e20f, |
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| 52 | 1.9e-20f, |
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| 53 | 1.9e50f, // expected-warning {{too large}} |
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| 54 | 1.9e-50f, // expected-warning {{too small}} |
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| 55 | -1.9e20f, |
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| 56 | -1.9e-20f, |
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| 57 | -1.9e50f, // expected-warning {{too large}} |
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| 58 | -1.9e-50f // expected-warning {{too small}} |
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| 59 | }; |
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| 60 | double t1[] = { |
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| 61 | 1.9e50, |
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| 62 | 1.9e-50, |
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| 63 | 1.9e500, // expected-warning {{too large}} |
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| 64 | 1.9e-500, // expected-warning {{too small}} |
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| 65 | -1.9e50, |
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| 66 | -1.9e-50, |
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| 67 | -1.9e500, // expected-warning {{too large}} |
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| 68 | -1.9e-500 // expected-warning {{too small}} |
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| 69 | }; |
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| 70 | |
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| 71 | // PR7888 |
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| 72 | double g = 1e100000000; // expected-warning {{too large}} |
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| 73 | |
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| 74 | char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}} |
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| 75 | |
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