112 lines
3.0 KiB
Diff
112 lines
3.0 KiB
Diff
From 4878253a04be8d5b60a3b33262f60dac76eed3ec Mon Sep 17 00:00:00 2001
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From: Tulio Magno Quites Machado Filho <tuliom@redhat.com>
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Date: Wed, 6 Dec 2023 19:12:13 -0300
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Subject: [PATCH] Adapt alg_comp test to different zlib (#142)
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Different zlib implementations such as zlib-ng, QATzip and libnxz
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provide API and ABI compatibility with madler's zlib. However, they do
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not guarantee identical output.
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This makes it very hard to compare the length or binary output of a
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compressed stream.
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Instead of doing that, this patch aims to compare the input against the
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output of a compression and decompression cycle.
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Fixes #142.
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---
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tests/alg_comp.c | 55 ++++++++++++++++++++++++++++--------------------
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1 file changed, 32 insertions(+), 23 deletions(-)
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diff --git a/tests/alg_comp.c b/tests/alg_comp.c
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index c9bef75..fcd305c 100644
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--- a/tests/alg_comp.c
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+++ b/tests/alg_comp.c
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@@ -41,22 +41,23 @@ const struct {
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{}
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};
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-typedef typeof(((jose_hook_alg_t *) NULL)->comp.inf) comp_func_t;
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-
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static void
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-test(const jose_hook_alg_t *a, comp_func_t func, bool iter,
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- const uint8_t *i, size_t il,
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- const uint8_t *o, size_t ol)
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+test(const jose_hook_alg_t *a, bool iter,
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+ const uint8_t *i, size_t il)
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{
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jose_io_auto_t *b = NULL;
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+ jose_io_auto_t *c = NULL;
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jose_io_auto_t *z = NULL;
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- void *buf = NULL;
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- size_t len = 0;
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+ void *buf1 = NULL;
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+ void *buf2 = NULL;
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+ size_t blen = 0;
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+ size_t clen = 0;
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- b = jose_io_malloc(NULL, &buf, &len);
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+ /* Test compression first. */
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+ b = jose_io_malloc(NULL, &buf1, &blen);
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assert(b);
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- z = func(a, NULL, b);
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+ z = a->comp.def(a, NULL, b);
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assert(z);
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if (iter) {
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@@ -68,8 +69,26 @@ test(const jose_hook_alg_t *a, comp_func_t func, bool iter,
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assert(z->done(z));
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- assert(len == ol);
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- assert(memcmp(buf, o, ol) == 0);
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+ /* Test decompression now. */
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+ c = jose_io_malloc(NULL, &buf2, &clen);
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+ assert(b);
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+
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+ z = a->comp.inf(a, NULL, c);
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+ assert(z);
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+
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+ if (iter) {
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+ uint8_t *m = buf1;
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+ for (size_t j = 0; j < blen; j++)
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+ assert(z->feed(z, &m[j], 1));
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+ } else {
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+ assert(z->feed(z, buf1, blen));
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+ }
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+
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+ assert(z->done(z));
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+
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+ /* Compare the final output with the original input. */
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+ assert(clen == il);
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+ assert(memcmp(buf2, i, il) == 0);
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}
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int
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@@ -93,20 +112,10 @@ main(int argc, char *argv[])
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assert(jose_b64_dec_buf(tests[i].def, strlen(tests[i].def),
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tst_def, sizeof(tst_def)) == sizeof(tst_def));
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- test(a, a->comp.def, false,
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- tst_inf, sizeof(tst_inf),
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- tst_def, sizeof(tst_def));
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-
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- test(a, a->comp.inf, false,
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- tst_def, sizeof(tst_def),
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+ test(a, false,
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tst_inf, sizeof(tst_inf));
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- test(a, a->comp.def, true,
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- tst_inf, sizeof(tst_inf),
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- tst_def, sizeof(tst_def));
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-
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- test(a, a->comp.inf, true,
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- tst_def, sizeof(tst_def),
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+ test(a, true,
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tst_inf, sizeof(tst_inf));
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}
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--
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2.43.0
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