summaryrefslogtreecommitdiffstats
path: root/media/libcubeb/test/test_sanity.cpp
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--media/libcubeb/test/test_sanity.cpp698
1 files changed, 698 insertions, 0 deletions
diff --git a/media/libcubeb/test/test_sanity.cpp b/media/libcubeb/test/test_sanity.cpp
new file mode 100644
index 0000000000..d681c502bb
--- /dev/null
+++ b/media/libcubeb/test/test_sanity.cpp
@@ -0,0 +1,698 @@
+/*
+ * Copyright © 2011 Mozilla Foundation
+ *
+ * This program is made available under an ISC-style license. See the
+ * accompanying file LICENSE for details.
+ */
+#include "gtest/gtest.h"
+#if !defined(_XOPEN_SOURCE)
+#define _XOPEN_SOURCE 600
+#endif
+#include "cubeb/cubeb.h"
+#include <atomic>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+
+//#define ENABLE_NORMAL_LOG
+//#define ENABLE_VERBOSE_LOG
+#include "common.h"
+
+#define STREAM_RATE 44100
+#define STREAM_LATENCY 100 * STREAM_RATE / 1000
+#define STREAM_CHANNELS 1
+#define STREAM_LAYOUT CUBEB_LAYOUT_MONO
+#define STREAM_FORMAT CUBEB_SAMPLE_S16LE
+
+int is_windows_7()
+{
+#ifdef __MINGW32__
+ fprintf(stderr, "Warning: this test was built with MinGW.\n"
+ "MinGW does not contain necessary version checking infrastructure. Claiming to be Windows 7, even if we're not.\n");
+ return 1;
+#endif
+#if (defined(_WIN32) || defined(__WIN32__)) && ( !defined(__MINGW32__))
+ OSVERSIONINFOEX osvi;
+ DWORDLONG condition_mask = 0;
+
+ ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
+ osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+
+ // NT 6.1 is Windows 7
+ osvi.dwMajorVersion = 6;
+ osvi.dwMinorVersion = 1;
+
+ VER_SET_CONDITION(condition_mask, VER_MAJORVERSION, VER_EQUAL);
+ VER_SET_CONDITION(condition_mask, VER_MINORVERSION, VER_GREATER_EQUAL);
+
+ return VerifyVersionInfo(&osvi, VER_MAJORVERSION | VER_MINORVERSION, condition_mask);
+#else
+ return 0;
+#endif
+}
+
+static int dummy;
+static std::atomic<uint64_t> total_frames_written;
+static int delay_callback;
+
+static long
+test_data_callback(cubeb_stream * stm, void * user_ptr, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
+{
+ EXPECT_TRUE(stm && user_ptr == &dummy && outputbuffer && nframes > 0);
+ assert(outputbuffer);
+ memset(outputbuffer, 0, nframes * sizeof(short));
+
+ total_frames_written += nframes;
+ if (delay_callback) {
+ delay(10);
+ }
+ return nframes;
+}
+
+void
+test_state_callback(cubeb_stream * /*stm*/, void * /*user_ptr*/, cubeb_state /*state*/)
+{
+}
+
+TEST(cubeb, init_destroy_context)
+{
+ int r;
+ cubeb * ctx;
+ char const* backend_id;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ backend_id = cubeb_get_backend_id(ctx);
+ ASSERT_TRUE(backend_id);
+
+ fprintf(stderr, "Backend: %s\n", backend_id);
+
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, init_destroy_multiple_contexts)
+{
+ size_t i;
+ int r;
+ cubeb * ctx[4];
+ int order[4] = {2, 0, 3, 1};
+ ASSERT_EQ(ARRAY_LENGTH(ctx), ARRAY_LENGTH(order));
+
+ for (i = 0; i < ARRAY_LENGTH(ctx); ++i) {
+ r = common_init(&ctx[i], NULL);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx[i], nullptr);
+ }
+
+ /* destroy in a different order */
+ for (i = 0; i < ARRAY_LENGTH(ctx); ++i) {
+ cubeb_destroy(ctx[order[i]]);
+ }
+}
+
+TEST(cubeb, context_variables)
+{
+ int r;
+ cubeb * ctx;
+ uint32_t value;
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_context_variables");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.channels = STREAM_CHANNELS;
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_get_min_latency(ctx, &params, &value);
+ ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
+ if (r == CUBEB_OK) {
+ ASSERT_TRUE(value > 0);
+ }
+
+ r = cubeb_get_preferred_sample_rate(ctx, &value);
+ ASSERT_TRUE(r == CUBEB_OK || r == CUBEB_ERROR_NOT_SUPPORTED);
+ if (r == CUBEB_OK) {
+ ASSERT_TRUE(value > 0);
+ }
+
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, init_destroy_stream)
+{
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, init_destroy_multiple_streams)
+{
+ size_t i;
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream[8];
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ r = cubeb_stream_init(ctx, &stream[i], "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream[i], nullptr);
+ }
+
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ cubeb_stream_destroy(stream[i]);
+ }
+
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, configure_stream)
+{
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = 2;
+ params.layout = CUBEB_LAYOUT_STEREO;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ r = cubeb_stream_set_volume(stream, 1.0f);
+ ASSERT_TRUE(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
+
+ r = cubeb_stream_set_name(stream, "test 2");
+ ASSERT_TRUE(r == 0 || r == CUBEB_ERROR_NOT_SUPPORTED);
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, configure_stream_undefined_layout)
+{
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = 2;
+ params.layout = CUBEB_LAYOUT_UNDEFINED;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ r = cubeb_stream_start(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ delay(100);
+
+ r = cubeb_stream_stop(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+}
+
+static void
+test_init_start_stop_destroy_multiple_streams(int early, int delay_ms)
+{
+ size_t i;
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream[8];
+ cubeb_stream_params params;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ r = cubeb_stream_init(ctx, &stream[i], "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream[i], nullptr);
+ if (early) {
+ r = cubeb_stream_start(stream[i]);
+ ASSERT_EQ(r, CUBEB_OK);
+ }
+ }
+
+ if (!early) {
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ r = cubeb_stream_start(stream[i]);
+ ASSERT_EQ(r, CUBEB_OK);
+ }
+ }
+
+ if (delay_ms) {
+ delay(delay_ms);
+ }
+
+ if (!early) {
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ r = cubeb_stream_stop(stream[i]);
+ ASSERT_EQ(r, CUBEB_OK);
+ }
+ }
+
+ for (i = 0; i < ARRAY_LENGTH(stream); ++i) {
+ if (early) {
+ r = cubeb_stream_stop(stream[i]);
+ ASSERT_EQ(r, CUBEB_OK);
+ }
+ cubeb_stream_destroy(stream[i]);
+ }
+
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, init_start_stop_destroy_multiple_streams)
+{
+ /* Sometimes, when using WASAPI on windows 7 (vista and 8 are okay), and
+ * calling Activate a lot on an AudioClient, 0x800700b7 is returned. This is
+ * the HRESULT value for "Cannot create a file when that file already exists",
+ * and is not documented as a possible return value for this call. Hence, we
+ * try to limit the number of streams we create in this test. */
+ if (!is_windows_7()) {
+ delay_callback = 0;
+ test_init_start_stop_destroy_multiple_streams(0, 0);
+ test_init_start_stop_destroy_multiple_streams(1, 0);
+ test_init_start_stop_destroy_multiple_streams(0, 150);
+ test_init_start_stop_destroy_multiple_streams(1, 150);
+ delay_callback = 1;
+ test_init_start_stop_destroy_multiple_streams(0, 0);
+ test_init_start_stop_destroy_multiple_streams(1, 0);
+ test_init_start_stop_destroy_multiple_streams(0, 150);
+ test_init_start_stop_destroy_multiple_streams(1, 150);
+ }
+}
+
+TEST(cubeb, init_destroy_multiple_contexts_and_streams)
+{
+ size_t i, j;
+ int r;
+ cubeb * ctx[2];
+ cubeb_stream * stream[8];
+ cubeb_stream_params params;
+ size_t streams_per_ctx = ARRAY_LENGTH(stream) / ARRAY_LENGTH(ctx);
+ ASSERT_EQ(ARRAY_LENGTH(ctx) * streams_per_ctx, ARRAY_LENGTH(stream));
+
+ /* Sometimes, when using WASAPI on windows 7 (vista and 8 are okay), and
+ * calling Activate a lot on an AudioClient, 0x800700b7 is returned. This is
+ * the HRESULT value for "Cannot create a file when that file already exists",
+ * and is not documented as a possible return value for this call. Hence, we
+ * try to limit the number of streams we create in this test. */
+ if (is_windows_7())
+ return;
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ for (i = 0; i < ARRAY_LENGTH(ctx); ++i) {
+ r = common_init(&ctx[i], "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx[i], nullptr);
+
+ for (j = 0; j < streams_per_ctx; ++j) {
+ r = cubeb_stream_init(ctx[i], &stream[i * streams_per_ctx + j], "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream[i * streams_per_ctx + j], nullptr);
+ }
+ }
+
+ for (i = 0; i < ARRAY_LENGTH(ctx); ++i) {
+ for (j = 0; j < streams_per_ctx; ++j) {
+ cubeb_stream_destroy(stream[i * streams_per_ctx + j]);
+ }
+ cubeb_destroy(ctx[i]);
+ }
+}
+
+TEST(cubeb, basic_stream_operations)
+{
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+ uint64_t position;
+ uint32_t latency;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ /* position and latency before stream has started */
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_EQ(position, 0u);
+
+ r = cubeb_stream_get_latency(stream, &latency);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ r = cubeb_stream_start(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ /* position and latency after while stream running */
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ r = cubeb_stream_get_latency(stream, &latency);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ r = cubeb_stream_stop(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ /* position and latency after stream has stopped */
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ r = cubeb_stream_get_latency(stream, &latency);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+}
+
+TEST(cubeb, stream_position)
+{
+ size_t i;
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+ uint64_t position, last_position;
+
+ total_frames_written = 0;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_data_callback, test_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ /* stream position should not advance before starting playback */
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_EQ(position, 0u);
+
+ delay(500);
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_EQ(position, 0u);
+
+ /* stream position should advance during playback */
+ r = cubeb_stream_start(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ /* XXX let start happen */
+ delay(500);
+
+ /* stream should have prefilled */
+ ASSERT_TRUE(total_frames_written.load() > 0);
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ last_position = position;
+
+ delay(500);
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_GE(position, last_position);
+ last_position = position;
+
+ /* stream position should not exceed total frames written */
+ for (i = 0; i < 5; ++i) {
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_GE(position, last_position);
+ ASSERT_LE(position, total_frames_written.load());
+ last_position = position;
+ delay(500);
+ }
+
+ /* test that the position is valid even when starting and
+ * stopping the stream. */
+ for (i = 0; i < 5; ++i) {
+ r = cubeb_stream_stop(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_TRUE(last_position < position);
+ last_position = position;
+ delay(500);
+ r = cubeb_stream_start(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+ delay(500);
+ }
+
+ ASSERT_NE(last_position, 0u);
+
+ /* stream position should not advance after stopping playback */
+ r = cubeb_stream_stop(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ /* XXX allow stream to settle */
+ delay(500);
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ last_position = position;
+
+ delay(500);
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_EQ(position, last_position);
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+}
+
+static std::atomic<int> do_drain;
+static std::atomic<int> got_drain;
+
+static long
+test_drain_data_callback(cubeb_stream * stm, void * user_ptr, const void * /*inputbuffer*/, void * outputbuffer, long nframes)
+{
+ EXPECT_TRUE(stm && user_ptr == &dummy && outputbuffer && nframes > 0);
+ assert(outputbuffer);
+ if (do_drain == 1) {
+ do_drain = 2;
+ return 0;
+ }
+ /* once drain has started, callback must never be called again */
+ EXPECT_TRUE(do_drain != 2);
+ memset(outputbuffer, 0, nframes * sizeof(short));
+ total_frames_written += nframes;
+ return nframes;
+}
+
+void
+test_drain_state_callback(cubeb_stream * /*stm*/, void * /*user_ptr*/, cubeb_state state)
+{
+ if (state == CUBEB_STATE_DRAINED) {
+ ASSERT_TRUE(!got_drain);
+ got_drain = 1;
+ }
+}
+
+TEST(cubeb, drain)
+{
+ int r;
+ cubeb * ctx;
+ cubeb_stream * stream;
+ cubeb_stream_params params;
+ uint64_t position;
+
+ delay_callback = 0;
+ total_frames_written = 0;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ params.format = STREAM_FORMAT;
+ params.rate = STREAM_RATE;
+ params.channels = STREAM_CHANNELS;
+ params.layout = STREAM_LAYOUT;
+ params.prefs = CUBEB_STREAM_PREF_NONE;
+
+ r = cubeb_stream_init(ctx, &stream, "test", NULL, NULL, NULL, &params, STREAM_LATENCY,
+ test_drain_data_callback, test_drain_state_callback, &dummy);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(stream, nullptr);
+
+ r = cubeb_stream_start(stream);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ delay(5000);
+
+ do_drain = 1;
+
+ for (;;) {
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ if (got_drain) {
+ break;
+ } else {
+ ASSERT_LE(position, total_frames_written.load());
+ }
+ delay(500);
+ }
+
+ r = cubeb_stream_get_position(stream, &position);
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_TRUE(got_drain);
+
+ // Really, we should be able to rely on position reaching our final written frame, but
+ // for now let's make sure it doesn't continue beyond that point.
+ //ASSERT_LE(position, total_frames_written.load());
+
+ cubeb_stream_destroy(stream);
+ cubeb_destroy(ctx);
+
+ got_drain = 0;
+ do_drain = 0;
+}
+
+TEST(cubeb, DISABLED_eos_during_prefill)
+{
+ // This test needs to be implemented.
+}
+
+TEST(cubeb, DISABLED_stream_destroy_pending_drain)
+{
+ // This test needs to be implemented.
+}
+
+TEST(cubeb, stable_devid)
+{
+ /* Test that the devid field of cubeb_device_info is stable
+ * (ie. compares equal) over two invocations of
+ * cubeb_enumerate_devices(). */
+
+ int r;
+ cubeb * ctx;
+ cubeb_device_collection first;
+ cubeb_device_collection second;
+ cubeb_device_type all_devices =
+ (cubeb_device_type) (CUBEB_DEVICE_TYPE_INPUT | CUBEB_DEVICE_TYPE_OUTPUT);
+ size_t n;
+
+ r = common_init(&ctx, "test_sanity");
+ ASSERT_EQ(r, CUBEB_OK);
+ ASSERT_NE(ctx, nullptr);
+
+ r = cubeb_enumerate_devices(ctx, all_devices, &first);
+ if (r == CUBEB_ERROR_NOT_SUPPORTED)
+ return;
+
+ ASSERT_EQ(r, CUBEB_OK);
+
+ r = cubeb_enumerate_devices(ctx, all_devices, &second);
+ ASSERT_EQ(r, CUBEB_OK);
+
+ ASSERT_EQ(first.count, second.count);
+ for (n = 0; n < first.count; n++) {
+ ASSERT_EQ(first.device[n].devid, second.device[n].devid);
+ }
+
+ r = cubeb_device_collection_destroy(ctx, &first);
+ ASSERT_EQ(r, CUBEB_OK);
+ r = cubeb_device_collection_destroy(ctx, &second);
+ ASSERT_EQ(r, CUBEB_OK);
+ cubeb_destroy(ctx);
+}
+
+#undef STREAM_RATE
+#undef STREAM_LATENCY
+#undef STREAM_CHANNELS
+#undef STREAM_LAYOUT
+#undef STREAM_FORMAT