xref: /netbsd-src/tests/usr.bin/xlint/lint1/lex_floating.c (revision b2baa50111d645353fa30b4deab0f79d93650c8c) 
1 /*	$NetBSD: lex_floating.c,v 1.4 2023/03/28 14:44:34 rillig Exp $	*/
2 # 3 "lex_floating.c"
3 
4 /*
5  * Tests for lexical analysis of floating constants.
6  *
7  * C99 6.4.4.2 "Floating constants"
8  */
9 
10 /* lint1-extra-flags: -X 351 */
11 
12 void sinkf(float);
13 void sinkd(double);
14 void sinkl(long double);
15 
16 void
test_float(void)17 test_float(void)
18 {
19 	sinkf(0.0F);
20 	sinkf(0.0f);
21 	sinkf(-0.0F);
22 	sinkf(-0.0f);
23 }
24 
25 void
test_double(void)26 test_double(void)
27 {
28 	// https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4396272
29 	sinkd(2.2250738585072012e-308);
30 	/* expect+1: error: syntax error 'x' [249] */
31 	sinkd(1.23x);
32 }
33 
34 void
test_long_double(void)35 test_long_double(void)
36 {
37 	sinkl(2.2250738585072012e-308L);
38 }
39 
40 void
test_hex(void)41 test_hex(void)
42 {
43 	sinkd(0x1.cp4);
44 }
45