JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / tests / stress / object-keys-perform-to-object.js

diff --git a/tests/stress/object-keys-perform-to-object.js b/tests/stress/object-keys-perform-to-object.js
new file mode 100644 (file)
index 0000000..d0e668f
--- /dev/null
+++ b/tests/stress/object-keys-perform-to-object.js
@@ -0,0 +1,39 @@
+var primitives = [
+    ["string", ['0', '1', '2', '3', '4', '5']],
+    [42, []],
+    [Symbol("symbol"), []],
+    [true, []],
+    [false, []]
+];
+
+function compare(ax, bx) {
+    if (ax.length !== bx.length)
+        return false;
+    for (var i = 0, iz = ax.length; i < iz; ++i) {
+        if (ax[i] !== bx[i])
+            return false;
+    }
+    return true;
+}
+
+for (var [primitive, expected] of primitives) {
+    var ret = Object.keys(primitive);
+    if (!compare(ret, expected))
+        throw new Error("bad value for " + String(primitive) + ": " + String(ret));
+}
+
+[
+    [ null, "TypeError: null is not an object (evaluating 'Object.keys(value)')" ],
+    [ undefined, "TypeError: undefined is not an object (evaluating 'Object.keys(value)')" ]
+].forEach(function ([value, message]) {
+    var error = null;
+    try {
+        Object.keys(value);
+    } catch (e) {
+        error = e;
+    }
+    if (!error)
+        throw new Error("error not thrown");
+    if (String(error) !== message)
+        throw new Error("bad error: " + String(error));
+});