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-rw-r--r--js/src/jit-test/tests/ion/bug809021.js73
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug809021.js b/js/src/jit-test/tests/ion/bug809021.js
new file mode 100644
index 000000000..c4c3d436b
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug809021.js
@@ -0,0 +1,73 @@
+// nactuals > nformals
+function testOverflow() {
+ var called = false;
+ function f(a) {
+ assertEq(a, 173);
+ assertEq(arguments.length, 2);
+ assertEq(arguments[0], a);
+ assertEq(arguments[1], a);
+ called = true;
+ }
+
+ for (var i=0; i<10; i++)
+ [173, 173, 173].sort(f);
+ assertEq(called, true);
+}
+testOverflow();
+
+// nactuals == nformals
+function testEqual() {
+ var called = false;
+ function f(a, b) {
+ assertEq(a, 173);
+ assertEq(arguments.length, 2);
+ assertEq(arguments[0], a);
+ assertEq(arguments[1], b);
+ called = true;
+ }
+
+ for (var i=0; i<10; i++)
+ [173, 173, 173].sort(f);
+ assertEq(called, true);
+}
+testEqual();
+
+// nactuals < nformals
+function testUnderflow() {
+ var called = false;
+ function f(a, b, c) {
+ assertEq(a, 173);
+ assertEq(c, undefined);
+ assertEq(arguments.length, 2);
+ assertEq(arguments[0], a);
+ assertEq(arguments[1], b);
+ called = true;
+ }
+
+ for (var i=0; i<10; i++)
+ [173, 173, 173].sort(f);
+ assertEq(called, true);
+}
+testUnderflow();
+
+function testUnderflowMany() {
+ var called = 0;
+ function f(a, b, c, d, e, f, g, h) {
+ assertEq(a, 173);
+ assertEq(arguments.length, 3);
+ assertEq(arguments[0], a);
+ assertEq(arguments[1] < 3, true);
+ assertEq(c.length, 3);
+ assertEq(d, undefined);
+ assertEq(e, undefined);
+ assertEq(f, undefined);
+ assertEq(g, undefined);
+ assertEq(h, undefined);
+ called += 1;
+ }
+
+ for (var i=0; i<10; i++)
+ [173, 173, 173].map(f);
+ assertEq(called, 30);
+}
+testUnderflowMany();