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tests: add nmtst_get_rand_one_case_in() helper

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This commit is contained in:
Thomas Haller 2020-10-21 16:49:46 +02:00
parent c947c51651
commit dd7ce063fb
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GPG key ID: 29C2366E4DFC5728
1 changed files with 16 additions and 3 deletions
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19
shared/nm-utils/nm-test-utils.h
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@ -900,14 +900,16 @@ nmtst_get_rand_uint64(void)
static inline guint
nmtst_get_rand_uint(void)
{
G_STATIC_ASSERT_EXPR(sizeof(guint32) == sizeof(guint));
return nmtst_get_rand_uint32();
G_STATIC_ASSERT_EXPR((sizeof(guint) == sizeof(guint32) || (sizeof(guint) == sizeof(guint64))));
if (sizeof(guint32) == sizeof(guint))
return nmtst_get_rand_uint32();
return nmtst_get_rand_uint64();
}
static inline gsize
nmtst_get_rand_size(void)
{
G_STATIC_ASSERT_EXPR(sizeof(gsize) == sizeof(guint32) || sizeof(gsize) == sizeof(guint64));
G_STATIC_ASSERT_EXPR((sizeof(gsize) == sizeof(guint32) || (sizeof(gsize) == sizeof(guint64))));
if (sizeof(gsize) == sizeof(guint32))
return nmtst_get_rand_uint32();
return nmtst_get_rand_uint64();
@ -919,6 +921,17 @@ nmtst_get_rand_bool(void)
return nmtst_get_rand_uint32() % 2;
}
static inline gboolean
nmtst_get_rand_one_case_in(guint32 num)
{
/* num=1 doesn't make much sense, because it will always return %TRUE.
* Still accept it, it might be that @num is calculated, so 1 might be
* a valid edge case. */
g_assert(num > 0);
return (nmtst_get_rand_uint32() % num) == 0;
}
static inline gpointer
nmtst_rand_buf(GRand *rand, gpointer buffer, gsize buffer_length)
{