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string: test VIR_STRDUP

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The surest way to avoid regressions is to test documented behavior :)

* tests/virstringtest.c (testStrdup): New test case.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-05-07 15:26:28 -06:00
parent 36c0a791e6
commit 504b4a8dae
1 changed files with 92 additions and 1 deletions
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93
tests/virstringtest.c
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@ -1,5 +1,5 @@
/*
* Copyright (C) 2012 Red Hat, Inc.
* Copyright (C) 2012-2013 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -107,6 +107,95 @@ cleanup:
return ret;
}
static bool fail;
static const char *
testStrdupLookup1(size_t i)
{
switch (i) {
case 0:
return "hello";
case 1:
return NULL;
default:
fail = true;
return "oops";
}
}
static size_t
testStrdupLookup2(size_t i)
{
if (i)
fail = true;
return 5;
}
static int
testStrdup(const void *data ATTRIBUTE_UNUSED)
{
char *array[] = { NULL, NULL };
size_t i = 0;
size_t j = 0;
size_t k = 0;
int ret = -1;
int value;
value = VIR_STRDUP(array[i++], testStrdupLookup1(j++));
if (value != 1) {
fprintf(stderr, "unexpected strdup result %d, expected 1\n", value);
goto cleanup;
}
if (i != 1) {
fprintf(stderr, "unexpected side effects i=%zu, expected 1\n", i);
goto cleanup;
}
if (j != 1) {
fprintf(stderr, "unexpected side effects j=%zu, expected 1\n", j);
goto cleanup;
}
if (STRNEQ_NULLABLE(array[0], "hello") || array[1]) {
fprintf(stderr, "incorrect array contents '%s' '%s'\n",
NULLSTR(array[0]), NULLSTR(array[1]));
goto cleanup;
}
value = VIR_STRNDUP(array[i++], testStrdupLookup1(j++),
testStrdupLookup2(k++));
if (value != 0) {
fprintf(stderr, "unexpected strdup result %d, expected 0\n", value);
goto cleanup;
}
if (i != 2) {
fprintf(stderr, "unexpected side effects i=%zu, expected 2\n", i);
goto cleanup;
}
if (j != 2) {
fprintf(stderr, "unexpected side effects j=%zu, expected 2\n", j);
goto cleanup;
}
if (k != 1) {
fprintf(stderr, "unexpected side effects k=%zu, expected 1\n", k);
goto cleanup;
}
if (STRNEQ_NULLABLE(array[0], "hello") || array[1]) {
fprintf(stderr, "incorrect array contents '%s' '%s'\n",
NULLSTR(array[0]), NULLSTR(array[1]));
goto cleanup;
}
if (fail) {
fprintf(stderr, "side effects failed\n");
goto cleanup;
}
ret = 0;
cleanup:
for (i = 0; i < ARRAY_CARDINALITY(array); i++)
VIR_FREE(array[i]);
return ret;
}
static int
mymain(void)
@ -153,6 +242,8 @@ mymain(void)
const char *tokens7[] = { "The", "quick", "brown", "fox", "", NULL };
TEST_SPLIT("The quick brown fox ", " ", 0, tokens7);
if (virtTestRun("strdup", 1, testStrdup, NULL) < 0)
ret = -1;
return ret==0 ? EXIT_SUCCESS : EXIT_FAILURE;
}