Import of the watch repository from Pebble

tests/fakes/fake_session_send_buffer.c

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "fake_session_send_buffer.h"
+
+#include <stdint.h>
+
+static SendBuffer *s_stub_send_buffer = (SendBuffer *) ~0;
+
+SendBuffer * comm_session_send_buffer_begin_write(CommSession *session, uint16_t endpoint_id,
+                                                  size_t required_free_length,
+                                                  uint32_t timeout_ms) {
+  if (!session) {
+    return NULL;
+  }
+  return s_stub_send_buffer;
+}
+
+bool comm_session_send_buffer_write(SendBuffer *send_buffer, const uint8_t *data, size_t length) {
+  return true;
+}
+
+void comm_session_send_buffer_end_write(SendBuffer *send_buffer) {
+}
+
+static int s_send_buffer_create_count;
+static bool s_send_buffer_create_simulate_oom;
+
+SendBuffer * comm_session_send_buffer_create(bool is_system) {
+  ++s_send_buffer_create_count;
+  if (s_send_buffer_create_simulate_oom) {
+    return NULL;
+  } else {
+    return (SendBuffer *) ~0;
+  }
+}
+
+static int s_send_buffer_destroy_count;
+
+void comm_session_send_buffer_destroy(SendBuffer *sb) {
+  ++s_send_buffer_destroy_count;
+}
+
+void fake_session_send_buffer_init(void) {
+  s_send_buffer_create_count = 0;
+  s_send_buffer_destroy_count = 0;
+  s_send_buffer_create_simulate_oom = false;
+}
+
+void fake_session_send_buffer_set_simulate_oom(bool enabled) {
+  s_send_buffer_create_simulate_oom = enabled;
+}
+
+SendBuffer *fake_session_send_buffer_get_buffer(void) {
+  return s_stub_send_buffer;
+}