First Commit

externals/cubeb/test/common.h

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+/*
+ * Copyright © 2013 Sebastien Alaiwan
+ *
+ * This program is made available under an ISC-style license.  See the
+ * accompanying file LICENSE for details.
+ */
+#if !defined(TEST_COMMON)
+#define TEST_COMMON
+
+#if defined(_WIN32)
+#ifndef WIN32_LEAN_AND_MEAN
+#define WIN32_LEAN_AND_MEAN
+#endif
+#include <objbase.h>
+#include <windows.h>
+#else
+#include <unistd.h>
+#endif
+
+#include "cubeb/cubeb.h"
+#include "cubeb_mixer.h"
+#include "gtest/gtest.h"
+#include <cstdarg>
+#include <cstdio>
+#include <cstring>
+
+template <typename T, size_t N>
+constexpr size_t
+ARRAY_LENGTH(T (&)[N])
+{
+  return N;
+}
+
+inline void
+delay(unsigned int ms)
+{
+#if defined(_WIN32)
+  Sleep(ms);
+#else
+  sleep(ms / 1000);
+  usleep(ms % 1000 * 1000);
+#endif
+}
+
+#if !defined(M_PI)
+#define M_PI 3.14159265358979323846
+#endif
+
+typedef struct {
+  char const * name;
+  unsigned int const channels;
+  uint32_t const layout;
+} layout_info;
+
+struct backend_caps {
+  const char * id;
+  const int input_capabilities;
+};
+
+// This static table allows knowing if a backend has audio input capabilities.
+// We don't rely on opening a stream and checking if it works, because this
+// would make the test skip the tests that make use of audio input, if a
+// particular backend has a bug that causes a failure during audio input stream
+// creation
+static backend_caps backend_capabilities[] = {
+    {"sun", 1},        {"wasapi", 1}, {"kai", 1},    {"audiounit", 1},
+    {"audiotrack", 0}, {"opensl", 1}, {"aaudio", 1}, {"jack", 1},
+    {"pulse", 1},      {"sndio", 1},  {"oss", 1},    {"winmm", 0},
+    {"alsa", 1},
+};
+
+inline int
+can_run_audio_input_test(cubeb * ctx)
+{
+  cubeb_device_collection devices;
+  int input_device_available = 0;
+  int r;
+  /* Bail out early if the host does not have input devices. */
+  r = cubeb_enumerate_devices(ctx, CUBEB_DEVICE_TYPE_INPUT, &devices);
+  if (r != CUBEB_OK) {
+    fprintf(stderr, "error enumerating devices.");
+    return 0;
+  }
+
+  if (devices.count == 0) {
+    fprintf(stderr, "no input device available, skipping test.\n");
+    cubeb_device_collection_destroy(ctx, &devices);
+    return 0;
+  }
+
+  for (uint32_t i = 0; i < devices.count; i++) {
+    input_device_available |=
+        (devices.device[i].state == CUBEB_DEVICE_STATE_ENABLED);
+  }
+
+  if (!input_device_available) {
+    fprintf(stderr, "there are input devices, but they are not "
+                    "available, skipping\n");
+  }
+
+  cubeb_device_collection_destroy(ctx, &devices);
+
+  int backend_has_input_capabilities;
+  const char * backend_id = cubeb_get_backend_id(ctx);
+  for (uint32_t i = 0; i < sizeof(backend_capabilities) / sizeof(backend_caps);
+       i++) {
+    if (strcmp(backend_capabilities[i].id, backend_id) == 0) {
+      backend_has_input_capabilities =
+          backend_capabilities[i].input_capabilities;
+    }
+  }
+
+  return !!input_device_available && !!backend_has_input_capabilities;
+}
+
+inline void
+print_log(const char * msg, ...)
+{
+  va_list args;
+  va_start(args, msg);
+  vprintf(msg, args);
+  va_end(args);
+}
+
+/** Initialize cubeb with backend override.
+ *  Create call cubeb_init passing value for CUBEB_BACKEND env var as
+ *  override. */
+inline int
+common_init(cubeb ** ctx, char const * ctx_name)
+{
+#ifdef ENABLE_NORMAL_LOG
+  if (cubeb_set_log_callback(CUBEB_LOG_NORMAL, print_log) != CUBEB_OK) {
+    fprintf(stderr, "Set normal log callback failed\n");
+  }
+#endif
+
+#ifdef ENABLE_VERBOSE_LOG
+  if (cubeb_set_log_callback(CUBEB_LOG_VERBOSE, print_log) != CUBEB_OK) {
+    fprintf(stderr, "Set verbose log callback failed\n");
+  }
+#endif
+
+  int r;
+  char const * backend;
+  char const * ctx_backend;
+
+  backend = getenv("CUBEB_BACKEND");
+  r = cubeb_init(ctx, ctx_name, backend);
+  if (r == CUBEB_OK && backend) {
+    ctx_backend = cubeb_get_backend_id(*ctx);
+    if (strcmp(backend, ctx_backend) != 0) {
+      fprintf(stderr, "Requested backend `%s', got `%s'\n", backend,
+              ctx_backend);
+    }
+  }
+
+  return r;
+}
+
+#if defined(_WIN32)
+class TestEnvironment : public ::testing::Environment {
+public:
+  void SetUp() override { hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); }
+
+  void TearDown() override
+  {
+    if (SUCCEEDED(hr)) {
+      CoUninitialize();
+    }
+  }
+
+private:
+  HRESULT hr;
+};
+
+::testing::Environment * const foo_env =
+    ::testing::AddGlobalTestEnvironment(new TestEnvironment);
+#endif
+
+#endif /* TEST_COMMON */