1 files changed, 121 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/known-class.js b/js/src/jit-test/tests/ion/known-class.js
new file mode 100644
index 0000000000..61e6f2afe2
--- /dev/null
+++ b/js/src/jit-test/tests/ion/known-class.js
@@ -0,0 +1,121 @@
+var IsRegExpObject = getSelfHostedValue("IsRegExpObject");
+var IsCallable = getSelfHostedValue("IsCallable");
+var NewArrayIterator = getSelfHostedValue("NewArrayIterator");
+var GuardToArrayIterator = getSelfHostedValue("GuardToArrayIterator");
+
+function array() {
+    var a = [0];
+    assertEq(Array.isArray(a), true);
+    assertEq(typeof a, "object");
+    assertEq(IsRegExpObject(a), false);
+    assertEq(IsCallable(a), false);
+}
+
+function array2(x) {
+    var a;
+    if (x) {
+        a = [0];
+    } else {
+        a = [1];
+    }
+    assertEq(Array.isArray(a), true);
+    assertEq(typeof a, "object");
+    assertEq(IsRegExpObject(a), false);
+    assertEq(IsCallable(a), false);
+}
+
+function object() {
+    var o = {a: 1};
+    assertEq(Array.isArray(o), false);
+    assertEq(typeof o, "object");
+    assertEq(IsRegExpObject(o), false);
+    assertEq(IsCallable(o), false);
+}
+
+function object2(x) {
+    var o;
+    if (x) {
+        o = {a: 1};
+    } else {
+        o = {b: 1};
+    }
+    assertEq(Array.isArray(o), false);
+    assertEq(typeof o, "object");
+    assertEq(IsRegExpObject(o), false);
+    assertEq(IsCallable(o), false);
+}
+
+function mixed(x) {
+    var o;
+    if (x) {
+        o = [1];
+    } else {
+        o = {a: 1};
+    }
+    assertEq(Array.isArray(o), x);
+    assertEq(typeof o, "object");
+    assertEq(IsRegExpObject(o), false);
+    assertEq(IsCallable(o), false);
+}
+
+function lambda() {
+    function f() {}
+    assertEq(Array.isArray(f), false);
+    assertEq(typeof f, "function");
+    assertEq(IsRegExpObject(f), false);
+    assertEq(IsCallable(f), true);
+}
+
+function arrow() {
+    var f = () => {};
+    assertEq(Array.isArray(f), false);
+    assertEq(typeof f, "function");
+    assertEq(IsRegExpObject(f), false);
+    assertEq(IsCallable(f), true);
+}
+
+function regexp() {
+    var r = /a/;
+    assertEq(Array.isArray(r), false);
+    assertEq(typeof r, "object");
+    assertEq(IsRegExpObject(r), true);
+    assertEq(IsCallable(r), false);
+}
+
+function regexp2(x) {
+    var a;
+    if (x) {
+        a = /a/;
+    } else {
+        a = /b/;
+    }
+    assertEq(Array.isArray(a), false);
+    assertEq(typeof a, "object");
+    assertEq(IsRegExpObject(a), true);
+    assertEq(IsCallable(a), false);
+}
+
+function iterator() {
+    var i = NewArrayIterator();
+    assertEq(Array.isArray(i), false);
+    assertEq(typeof i, "object");
+    assertEq(IsRegExpObject(i), false);
+    assertEq(IsCallable(i), false);
+    assertEq(GuardToArrayIterator(i), i);
+}
+
+var b = true;
+for (var i = 0; i < 1e4; i++) {
+    array();
+    array2(b);
+    object();
+    object2(b);
+    mixed(b);
+    lambda();
+    arrow();
+    regexp()
+    regexp2(b);
+    iterator();
+
+    b = !b;
+}