--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-377.js Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * NASHORN-377: Typed arrays.
+ *
+ * @test
+ * @run
+ */
+
+var types = [Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array];
+
+//---------------------------------------------------------------------------
+// utility functions
+//---------------------------------------------------------------------------
+function tohex(d, w) {
+ var hex = Number(d).toString(16);
+ var pad = (w ? w : 8) - hex.length;
+ hex = "00000000".substr(0, pad) + hex;
+ return hex;
+}
+
+function arrstr(a, n, w) {
+ var s = "";
+ if (typeof n == "undefined") n = a.length;
+ if (typeof w == "undefined") w = a.BYTES_PER_ELEMENT * 2;
+ for (var i = 0; i < n; i++) {
+ s += tohex(a[i], w);
+ }
+ return s;
+}
+function bufstr(b) {
+ if (b.buffer !== undefined) {
+ b = b.buffer;
+ }
+ return arrstr(new Uint8Array(b));
+}
+
+function assertFail(f) {
+ try {
+ f();
+ } catch (e) {
+ //print(e);
+ return;
+ }
+ throw "assertion failed: expected exception";
+}
+
+function assertTrue(f) {
+ if (f() !== true) throw "assertion failed: " + f;
+}
+
+function isUndefined(x) {
+ return typeof x === "undefined";
+}
+
+function fillArray(a, start) {
+ if (typeof start == "undefined") start = 1;
+ for (var i = 0; i < a.length; i++) {
+ a[i] = i + start;
+ }
+ return a;
+}
+
+//---------------------------------------------------------------------------
+// tests
+//---------------------------------------------------------------------------
+(function() {
+ var b = new ArrayBuffer(8);
+ var i8 = new Int8Array(b);
+ print(i8.buffer.byteLength, b.byteLength, i8.buffer === b, b.length);
+ print(b, i8.buffer, i8);
+})();
+
+(function test_attributes() {
+ var b = new ArrayBuffer(8);
+ for (var i in types) {
+ var x = new types[i](b);
+ print(x.byteOffset, x.byteLength, x.length, x.BYTES_PER_ELEMENT);
+ assertTrue(function(){ return x.constructor === types[i] });
+ }
+})();
+
+(function() {
+ var b = new ArrayBuffer(8);
+ var i8 = new Int8Array(b);
+ fillArray(i8, 0x70);
+
+ var i8_2 = new Int8Array(b, 2);
+ var i8_2_4 = new Uint8Array(b, 2, 4);
+
+ i8_2_4[3] = 0x80;
+
+ print(arrstr(i8, 8, 2) + " " + bufstr(i8));
+ print(arrstr(i8_2, 6) + " " + i8_2.byteOffset + " " + i8_2.byteLength);
+ print(arrstr(i8_2_4, 4) + " " + i8_2_4.byteOffset + " " + i8_2_4.byteLength);
+
+ var i8_1_5 = i8.subarray(1, 5);
+ i8_2_4.subarray(1, 5);
+ print(arrstr(i8_1_5, 4) + " " + i8_1_5.byteOffset + " " + i8_1_5.byteLength);
+
+ print(bufstr(b.slice(1,7)));
+})();
+
+(function() {
+ var b = new ArrayBuffer(8);
+ fillArray(new Int8Array(b), 0x70);
+ new Int8Array(b)[5] = 0x80;
+
+ var i32 = new Int32Array(b);
+ var u32 = new Uint32Array(b);
+ print(arrstr(i32), i32[0], i32[1]);
+ i32[1] = 0xfefdfcfb;
+ print(arrstr(i32), i32[0], i32[1]);
+ print(arrstr(u32), u32[0], u32[1]);
+
+ var pi = 3.1415926;
+ var f32 = new Float32Array(b);
+ var f64 = new Float64Array(b);
+ f32[0] = pi;
+ print(bufstr(b), f32.length);
+ f64[0] = pi;
+ print(bufstr(b), f64.length);
+ print(arrstr(u32), u32[0], u32[1]);
+
+ var d = new Int32Array(3);
+ d.set(i32,1);
+ print(bufstr(d));
+
+ var s = new Int16Array(b);
+ var t = new Uint16Array(b);
+ print(arrstr(s), arrstr(t));
+ s[0] = -1; s[1] = 0x80;
+ print(arrstr(s), arrstr(t));
+})();
+
+(function enumerate_properties() {
+ var i8 = new Int8Array(new ArrayBuffer(8));
+ var s = ""; for (var i in i8) { s += i + " "; } print(s.trim());
+})();
+
+// check that ScriptObject fallback is still working
+// DISABLED because correct behavior is unclear
+(function() {
+ // NB: firefox will never set any out-of-bounds or non-array values although it does get both from prototype.
+ var z = new Uint8Array(4);
+ z["asdf"] = "asdf"; print(z["asdf"]);
+ z[0x100000000] = "asdf"; print(z[0x100000000]);
+ z[-1] = "asdf"; print(z[-1]);
+
+ // v8 and nashorn disagree on out-of-bounds uint32 indices: v8 won't go to the prototype.
+ z[0xf0000000] = "asdf"; print(z[0xf0000000]);
+ z[0xffffffff] = "asdf"; print(z[0xffffffff]);
+ z[0x70000000] = "asdf"; print(z[0x70000000]);
+
+ // this will work in firefox and nashorn (not in v8).
+ Uint8Array.prototype[4] = "asdf"; print(z[4]);
+});
+
+(function test_exceptions() {
+ assertFail(function() { new Int32Array(new ArrayBuffer(7)); });
+ assertFail(function() { new Int32Array(new ArrayBuffer(8), 0, 4); });
+ assertFail(function() { new Int32Array(new ArrayBuffer(8),-1, 2); });
+ assertFail(function() { new Int32Array(new ArrayBuffer(8), 0,-1); });
+})();
+
+(function test_subarray() {
+ var x = fillArray(new Int8Array(8));
+ print(arrstr(x));
+ print("subarray(2,4)=" + arrstr(x.subarray(2, 4)), "subarray(-6,-4)=" + arrstr(x.subarray(-6, -4))); // negative index refers from the end of the array
+ print(arrstr(x.subarray(-10, -2))); // negative index clamped to 0
+ assertTrue(function(){ return arrstr(x.subarray(6, 4)) === ""; }); // negative length clamped to 0
+ print(arrstr(x.subarray(1,-1).subarray(1,-1)), arrstr(x.subarray(1,-1).subarray(1,-1).subarray(1,-1))); // subarray of subarray
+})();
+
+(function test_slice() {
+ var b = ArrayBuffer(16);
+ fillArray(new Int8Array(b));
+ print(bufstr(b));
+ print("slice(4,8)=" + bufstr(b.slice(4, 8)), "slice(-8,-4)=" + bufstr(b.slice(-8, -4))); // negative index refers from the end of the array
+ print(bufstr(b.slice(-20, -4))); // negative index clamped to 0
+ assertTrue(function(){ return bufstr(b.slice(8, 4)) === ""; }); // negative length clamped to 0
+ print(arrstr(new Int16Array(b.slice(1,-1).slice(2,-1).slice(1,-2).slice(1,-1)))); // slice of slice
+})();
+
+(function test_clamped() {
+ var a = new Uint8ClampedArray(10);
+ a[0] = -17; // clamped to 0
+ a[1] = 4711; // clamped to 255
+ a[2] = 17.5; // clamped to 18
+ a[3] = 16.5; // clamped to 16
+ a[4] = 255.9; // clamped to 255
+ a[5] = Infinity; // clamped to 255
+ a[6] = -Infinity; // clamped to 0
+ a[7] = NaN; // 0
+ assertTrue(function(){ return a[0] === 0 && a[1] === 255 && a[2] === 18 && a[3] === 16 && a[4] === 255 && a[5] === 255 && a[6] === 0 && a[7] === 0; });
+})();
+
+(function test_out_of_bounds() {
+ var a = new Int32Array(10);
+ a[10] = 10;
+ a[100] = 100;
+ a[1000] = 1000;
+ assertTrue(function(){ return isUndefined(a[10]) && isUndefined(a[11]) && isUndefined(a[100]) && isUndefined(a[123]) && isUndefined(a[1000]); });
+})();
+