lex_integer.c revision 1.2
1/* $NetBSD: lex_integer.c,v 1.2 2021/06/27 10:14:43 rillig Exp $ */ 2# 3 "lex_integer.c" 3 4/* 5 * Tests for lexical analysis of integer constants. 6 * 7 * C99 6.4.4.1 "Integer constants" 8 */ 9 10/* lint1-not-on-arch: i386 (has 32-bit long) */ 11 12void sinki(int); 13void sinku(unsigned int); 14 15/* All platforms supported by lint have 32-bit int in two's complement. */ 16void 17test_signed_int(void) 18{ 19 sinki(0); 20 21 sinki(-1); 22 23 sinki(2147483647); 24 25 /* expect+2: converted from 'long' to 'int' due to prototype */ 26 /* expect+1: conversion of 'long' to 'int' is out of range */ 27 sinki(2147483648); 28 29 sinki(-2147483647); 30 31 /* expect+1: converted from 'long' to 'int' due to prototype */ 32 sinki(-2147483648); 33} 34 35void 36test_unsigned_int(void) 37{ 38 sinku(0); 39 40 sinku(4294967295U); 41 42 /* expect+2: from 'unsigned long' to 'unsigned int' due to prototype */ 43 /* expect+1: conversion of 'unsigned long' to 'unsigned int' is out of range */ 44 sinku(4294967296U); 45} 46