Import of the watch repository from Pebble

third_party/jerryscript/targets/mbedos5/jerryscript-mbed/jerryscript-mbed-drivers/source/assert.cpp

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+/* Copyright (c) 2016 ARM Limited
+ *
+ * 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 "jerryscript-mbed-drivers/assert-js.h"
+
+/**
+ * assert (native JavaScript function)
+ * 
+ * @param condition The condition to assert to be true
+ * @returns undefined if the assertion passes, returns an error if the assertion
+ * 	fails.
+ */
+DECLARE_GLOBAL_FUNCTION(assert) {
+    CHECK_ARGUMENT_COUNT(global, assert, (args_count == 1));
+    CHECK_ARGUMENT_TYPE_ALWAYS(global, assert, 0, boolean);
+
+    if (!jerry_get_boolean_value(args[0])) {
+        const char* error_msg = "Assertion failed";
+        return jerry_create_error(JERRY_ERROR_TYPE, reinterpret_cast<const jerry_char_t*>(error_msg));
+    }
+
+    return jerry_create_undefined();
+}