Add m-esr52 at 52.6.0

1 files changed, 34 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Symbol/comparisons.js b/js/src/tests/ecma_6/Symbol/comparisons.js
new file mode 100644
index 000000000..d2105c8a1
--- /dev/null
+++ b/js/src/tests/ecma_6/Symbol/comparisons.js
@@ -0,0 +1,34 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+var symbols = [
+    Symbol(),
+    Symbol("0"),
+    Symbol.for("snowman"),
+    Symbol.iterator
+];
+
+var values = [
+    undefined, null, 0, 3.14, -0, NaN, "", "alphabet", Symbol("0"),
+    {}, []
+];
+
+for (var comparator of ["==", "!=", "===", "!=="]) {
+    var f = Function("a, b", "return a " + comparator + " b;");
+    var expected = (comparator[0] == '!');
+    for (var a of symbols) {
+        for (var b of values)
+            assertEq(f(a, b), expected);
+    }
+}
+
+for (var comparator of ["<", "<=", ">", ">="]) {
+    var f = Function("a, b", "return a " + comparator + " b;");
+    for (var a of symbols) {
+        for (var b of values)
+            assertThrowsInstanceOf(() => f(a, b), TypeError);
+    }
+}
+
+if (typeof reportCompare === "function")
+    reportCompare(0, 0);