1 files changed, 60 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 0000000000..5fde05f6f7
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug1292858.js
@@ -0,0 +1,60 @@
+// |jit-test| --ion-warmup-threshold=50
+setJitCompilerOption("offthread-compilation.enable", 0);
+gcPreserveCode();
+
+function test1() {
+    var caughtInvalidArguments = false;
+    var a = -1
+    try {
+        var buf = new Uint8ClampedArray(a);
+        throw new Error("didn't throw");
+    } catch (e) {
+        assertEq(e instanceof RangeError, true,
+                "expected RangeError, instead threw: " + e);
+        caughtInvalidArguments = true;
+    }
+    assertEq(caughtInvalidArguments, true);
+}
+test1();
+
+function test2() {
+    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 RangeError, true,
+                    "expected RangeError, instead threw: " + e);
+            caughtInvalidArguments = true;
+            break;
+        }
+    }
+    assertEq(caughtInvalidArguments, true);
+}
+test2();
+
+function test3() {
+    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 RangeError, true,
+                    "expected RangeError, instead threw: " + e);
+            caughtInvalidArguments = true;
+            break;
+        }
+    }
+    assertEq(caughtInvalidArguments, true);
+}
+test3();