[ES2015][TypedArray] add other 8 types (#1532)

Add Uint8Array, Int16Array Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array and Uint8ClampedArray. Support the conversion between any pairs of those types.

JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com

tests/jerry-test-suite/es2015/22/22.02/22.02.01/22.02.01-010.js

@@ -0,0 +1,29 @@
+/* Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * 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.
+ */
+
+var a = new Float32Array([0.1, -3.4, 65535.9]);
+var b = new Int16Array(a);
+var c = new Uint8Array(a);
+var d = new Int32Array(a);
+
+assert(b[0] === 0);
+assert(b[1] === -3);
+assert(b[2] === -1);
+assert(c[0] === 0);
+assert(c[1] === 253);
+assert(c[2] === 255);
+assert(d[0] === 0);
+assert(d[1] === -3);
+assert(d[2] === 65535);