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82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
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/* Tests for predefined macros __LINE__ and __FILE__ as well as #line control */
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#include <stdio.h>
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#include <string.h>
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static int failures = 0;
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#if !defined __LINE__
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#error __LINE__ is not predefined!
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#endif
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#if !defined __FILE__
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#error __FILE__ is not predefined!
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#endif
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#define CONCAT(a,b) CONCAT_impl_(a,b)
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#define CONCAT_impl_(a,b) a##b
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#define MKSTR(a) MKSTR_impl_(a)
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#define MKSTR_impl_(a) #a
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char CONCAT(ident,__LINE__)[0+__LINE__];
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char CONCAT(ident,__LINE__)[0+__LINE__];
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#define GET_FILE() __FILE__
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#define THIS_FILENAME_1 "bug1573.c"
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#define THIS_FILENAME_2 "<<bar>>"
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#define INC_FILENAME_1 "bug1573.h"
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#define INC_FILENAME_2 "<<foo>>"
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#line __LINE__ THIS_FILENAME_1 /* Note: #line sets the line number of the NEXT line */
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void foo(void)
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{
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if (strcmp (GET_FILE(), THIS_FILENAME_1) != 0) {
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printf("Expected: %s, got: %s\n", THIS_FILENAME_1, GET_FILE());
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++failures;
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}
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}
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#line __LINE__ THIS_FILENAME_2 /* Note: #line sets the line number of the NEXT line */
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#include INC_FILENAME_1
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long line2 = __LINE__;
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int main(void)
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{
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if (strcmp (filename1, INC_FILENAME_1) != 0) {
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printf("Expected filename1: %s, got: %s\n", INC_FILENAME_1, filename1);
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++failures;
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}
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if (strcmp (filename2, INC_FILENAME_2) != 0) {
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printf("Expected filename2: %s, got: %s\n", INC_FILENAME_2, filename2);
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++failures;
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}
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foo();
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#line 65535
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if (strcmp (GET_FILE(), THIS_FILENAME_2) != 0) {
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printf("Expected: %s, got: %s\n", THIS_FILENAME_2, GET_FILE());
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++failures;
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}
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if (line1 != 5L) {
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printf("Expected line1: %ld, got: %ld\n", 5L, line1);
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++failures;
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}
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if (line2 != 38L) {
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printf("Expected line2: %ld, got: %ld\n", 38L, line2);
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++failures;
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}
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if (strcmp (ans1, ans2) != 0 || strcmp (ans1, "42") != 0) {
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++failures;
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printf("Expected: 42, ans1: %s, ans2: %s\n", ans1, ans2);
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}
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if (failures != 0) {
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printf("Failures: %d\n", failures);
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}
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return failures;
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}
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