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test: Add PCM interface tests

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Add tests for various features of the PCM interface. The goal is to
maximize coverage of the corresponding kernel code. The tests use a
loopback device and require snd-aloop kernel module to be loaded.
This commit is contained in:
Shmuel Melamud 2023-06-26 04:12:21 +03:00
parent 96f60d829f
commit a19db1e5ad
6 changed files with 526 additions and 2 deletions
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63
test/features/test.h Normal file
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#ifndef TEST_H_INCLUDED
#define TEST_H_INCLUDED
#include <stdio.h>
#include <alsa/asoundlib.h>
/* XXX this variable definition does not belong in a header file */
static int any_test_failed = 0;
#define TEST_CHECK(cond) do \
if (!(cond)) { \
fprintf(stderr, "%s:%d: test failed: %s\n", __FILE__, __LINE__, #cond); \
any_test_failed = 1; \
} \
while (0)
#define TEST_CHECK_MSG(cond, msg) do \
if (!(cond)) { \
fprintf(stderr, "%s:%d: test failed: %s\n", __FILE__, __LINE__, msg); \
any_test_failed = 1; \
} \
while (0)
#define ALSA_CHECK(fn) ({ \
int err = fn; \
if (err < 0) { \
fprintf(stderr, "%s:%d: ALSA function call failed (%s): %s\n", \
__FILE__, __LINE__, snd_strerror(err), #fn); \
any_test_failed = 1; \
} \
err; \
})
#define ALSA_CHECK_FAIL(fn) ({ \
int err = fn; \
if (err >= 0) { \
fprintf(stderr, "%s:%d: ALSA function call succeeded, but should fail (%s): %s\n", \
__FILE__, __LINE__, snd_strerror(err), #fn); \
any_test_failed = 1; \
} \
0; \
})
#define SUB_CALL(fn) do \
if (fn < 0) { \
return -1; \
} \
while (0)
#define ALSA_CALL(fn) SUB_CALL(ALSA_CHECK(fn))
#define ALSA_CALL_FAIL(fn) SUB_CALL(ALSA_CHECK_FAIL(fn))
#define TEST_FAILED() any_test_failed
#define TEST_CALL(fn) do { \
fn; \
if (TEST_FAILED()) { \
return 1; \
} \
} while (0)
#endif