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strvec: introduce new strvec_splice() function

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Introduce a new `strvec_splice()` function that can replace a range of
strings in the vector with another array of strings. This function will
be used in subsequent commits.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt
2024-11-20 14:39:38 +01:00
committed by Junio C Hamano
parent 141766d1bb
commit 3f5fadef37
3 changed files with 93 additions and 0 deletions
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65
t/unit-tests/strvec.c
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@ -88,6 +88,71 @@ void test_strvec__pushv(void)
strvec_clear(&vec);
}
void test_strvec__splice_with_same_size_replacement(void)
{
struct strvec vec = STRVEC_INIT;
const char *replacement[] = { "1" };
strvec_pushl(&vec, "foo", "bar", "baz", NULL);
strvec_splice(&vec, 1, 1, replacement, ARRAY_SIZE(replacement));
check_strvec(&vec, "foo", "1", "baz", NULL);
strvec_clear(&vec);
}
void test_strvec__splice_with_smaller_replacement(void)
{
struct strvec vec = STRVEC_INIT;
const char *replacement[] = { "1" };
strvec_pushl(&vec, "foo", "bar", "baz", NULL);
strvec_splice(&vec, 1, 2, replacement, ARRAY_SIZE(replacement));
check_strvec(&vec, "foo", "1", NULL);
strvec_clear(&vec);
}
void test_strvec__splice_with_bigger_replacement(void)
{
struct strvec vec = STRVEC_INIT;
const char *replacement[] = { "1", "2", "3" };
strvec_pushl(&vec, "foo", "bar", "baz", NULL);
strvec_splice(&vec, 0, 2, replacement, ARRAY_SIZE(replacement));
check_strvec(&vec, "1", "2", "3", "baz", NULL);
strvec_clear(&vec);
}
void test_strvec__splice_with_empty_replacement(void)
{
struct strvec vec = STRVEC_INIT;
strvec_pushl(&vec, "foo", "bar", "baz", NULL);
strvec_splice(&vec, 0, 2, NULL, 0);
check_strvec(&vec, "baz", NULL);
strvec_clear(&vec);
}
void test_strvec__splice_with_empty_original(void)
{
struct strvec vec = STRVEC_INIT;
const char *replacement[] = { "1", "2" };
strvec_pushl(&vec, "foo", "bar", "baz", NULL);
strvec_splice(&vec, 1, 0, replacement, ARRAY_SIZE(replacement));
check_strvec(&vec, "foo", "1", "2", "bar", "baz", NULL);
strvec_clear(&vec);
}
void test_strvec__splice_at_tail(void)
{
struct strvec vec = STRVEC_INIT;
const char *replacement[] = { "1", "2" };
strvec_pushl(&vec, "foo", "bar", NULL);
strvec_splice(&vec, 2, 0, replacement, ARRAY_SIZE(replacement));
check_strvec(&vec, "foo", "bar", "1", "2", NULL);
strvec_clear(&vec);
}
void test_strvec__replace_at_head(void)
{
struct strvec vec = STRVEC_INIT;