Add m-esr52 at 52.6.0

1 files changed, 32 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/testTypedArrayUndefinedAndHoles.js b/js/src/jit-test/tests/basic/testTypedArrayUndefinedAndHoles.js
new file mode 100644
index 000000000..0800b1085
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testTypedArrayUndefinedAndHoles.js
@@ -0,0 +1,32 @@
+function holeArray(sparse) {
+    var a = [,,];
+    if (sparse)
+        a.length = 1000;
+    return a;
+}
+
+function undefinedArray(sparse) {
+    var a = [ undefined, undefined, undefined ];
+    if (sparse)
+        a.length = 1000;
+    return a;
+}
+
+var a;
+a = new Int32Array(holeArray(false));
+assertEq(a[0], 0);
+a = new Int32Array(holeArray(true));
+assertEq(a[0], 0);
+a = new Int32Array(undefinedArray(false));
+assertEq(a[0], 0);
+a = new Int32Array(undefinedArray(true));
+assertEq(a[0], 0);
+
+a = new Float64Array(holeArray(false));
+assertEq(a[0], NaN);
+a = new Float64Array(holeArray(true));
+assertEq(a[0], NaN);
+a = new Float64Array(undefinedArray(false));
+assertEq(a[0], NaN);
+a = new Float64Array(undefinedArray(true));
+assertEq(a[0], NaN);