1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug1292858.js b/js/src/jit-test/tests/basic/bug1292858.js
new file mode 100644
index 000000000..788eb9652
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1292858.js
@@ -0,0 +1,47 @@
+var caughtInvalidArguments = false;
+var a = -1
+try {
+    var buf = new Uint8ClampedArray(a);
+    throw new Error("didn't throw");
+} catch (e) {
+    assertEq(e instanceof TypeError, true,
+             "expected TypeError, instead threw: " + e);
+    caughtInvalidArguments = true;
+}
+assertEq(caughtInvalidArguments, true);
+
+var caughtInvalidArguments = false;
+var i = 0;
+while (true) {
+    i = (i + 1) | 0;
+    var a = inIon() ? -1 : 300;
+    try {
+        var buf = new Uint8ClampedArray(a);
+        assertEq(buf.length, 300);
+    } catch (e) {
+        assertEq(a, -1);
+        assertEq(e instanceof TypeError, true,
+                "expected TypeError, instead threw: " + e);
+        caughtInvalidArguments = true;
+        break;
+    }
+}
+assertEq(caughtInvalidArguments, true);
+
+var caughtInvalidArguments = false;
+var i = 0;
+while (true) {
+    i = (i + 1) | 0;
+    var a = inIon() ? -1 : 0;
+    try {
+        var buf = new Uint8ClampedArray(a);
+        assertEq(buf.length, 0);
+    } catch (e) {
+        assertEq(a, -1);
+        assertEq(e instanceof TypeError, true,
+                "expected TypeError, instead threw: " + e);
+        caughtInvalidArguments = true;
+        break;
+    }
+}
+assertEq(caughtInvalidArguments, true);