1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -ftrigraphs %s 2*67e74705SXin Li 3*67e74705SXin Li int x = 000000080; // expected-error {{invalid digit}} 4*67e74705SXin Li 5*67e74705SXin Li int y = 0000\ 6*67e74705SXin Li 00080; // expected-error {{invalid digit}} 7*67e74705SXin Li 8*67e74705SXin Li 9*67e74705SXin Li 10*67e74705SXin Li float X = 1.17549435e-38F; 11*67e74705SXin Li float Y = 08.123456; 12*67e74705SXin Li 13*67e74705SXin Li // PR2252 14*67e74705SXin Li #if -0x8000000000000000 // should not warn. 15*67e74705SXin Li #endif 16*67e74705SXin Li #if -01000000000000000000000 // should not warn. 17*67e74705SXin Li #endif 18*67e74705SXin Li #if 9223372036854775808 // expected-warning {{integer literal is too large to be represented in a signed integer type, interpreting as unsigned}} 19*67e74705SXin Li #endif 20*67e74705SXin Li #if 0x10000000000000000 // expected-error {{integer literal is too large to be represented in any integer type}} 21*67e74705SXin Li #endif 22*67e74705SXin Li 23*67e74705SXin Li int c[] = { 24*67e74705SXin Li 'df', // expected-warning {{multi-character character constant}} 25*67e74705SXin Li '\t', 26*67e74705SXin Li '\\ 27*67e74705SXin Li t', 28*67e74705SXin Li '??!', // expected-warning {{trigraph converted to '|' character}} 29*67e74705SXin Li 'abcd' // expected-warning {{multi-character character constant}} 30*67e74705SXin Li }; 31*67e74705SXin Li 32*67e74705SXin Li // PR4499 33*67e74705SXin Li int m0 = '0'; 34*67e74705SXin Li int m1 = '\\\''; // expected-warning {{multi-character character constant}} 35*67e74705SXin Li int m2 = '\\\\'; // expected-warning {{multi-character character constant}} 36*67e74705SXin Li int m3 = '\\\ 37*67e74705SXin Li '; 38*67e74705SXin Li 39*67e74705SXin Li 40*67e74705SXin Li #pragma clang diagnostic ignored "-Wmultichar" 41*67e74705SXin Li 42*67e74705SXin Li int d = 'df'; // no warning. 43*67e74705SXin Li int e = 'abcd'; // still warn: expected-warning {{multi-character character constant}} 44*67e74705SXin Li 45*67e74705SXin Li #pragma clang diagnostic ignored "-Wfour-char-constants" 46*67e74705SXin Li 47*67e74705SXin Li int f = 'abcd'; // ignored. 48*67e74705SXin Li 49*67e74705SXin Li // rdar://problem/6974641 50*67e74705SXin Li float t0[] = { 51*67e74705SXin Li 1.9e20f, 52*67e74705SXin Li 1.9e-20f, 53*67e74705SXin Li 1.9e50f, // expected-warning {{too large}} 54*67e74705SXin Li 1.9e-50f, // expected-warning {{too small}} 55*67e74705SXin Li -1.9e20f, 56*67e74705SXin Li -1.9e-20f, 57*67e74705SXin Li -1.9e50f, // expected-warning {{too large}} 58*67e74705SXin Li -1.9e-50f // expected-warning {{too small}} 59*67e74705SXin Li }; 60*67e74705SXin Li double t1[] = { 61*67e74705SXin Li 1.9e50, 62*67e74705SXin Li 1.9e-50, 63*67e74705SXin Li 1.9e500, // expected-warning {{too large}} 64*67e74705SXin Li 1.9e-500, // expected-warning {{too small}} 65*67e74705SXin Li -1.9e50, 66*67e74705SXin Li -1.9e-50, 67*67e74705SXin Li -1.9e500, // expected-warning {{too large}} 68*67e74705SXin Li -1.9e-500 // expected-warning {{too small}} 69*67e74705SXin Li }; 70*67e74705SXin Li 71*67e74705SXin Li // PR7888 72*67e74705SXin Li double g = 1e100000000; // expected-warning {{too large}} 73*67e74705SXin Li 74*67e74705SXin Li char h = '\u1234'; // expected-error {{character too large for enclosing character literal type}} 75