1 files changed, 75 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/binaryarith-null-undef-bool.js b/js/src/jit-test/tests/cacheir/binaryarith-null-undef-bool.js
new file mode 100644
index 0000000000..140db26572
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/binaryarith-null-undef-bool.js
@@ -0,0 +1,75 @@
+// Pass |null| as argument to be more robust against code folding.
+function testNullWithInt32OrBool(nullVal) {
+    var vals = [0, 1, true, false, null];
+    for (var v of vals) {
+        assertEq(v + nullVal, Number(v));
+        assertEq(v - nullVal, Number(v));
+        assertEq(v * nullVal, 0);
+        var res = v / nullVal;
+        assertEq(isNaN(res) || res === Infinity, true);
+        assertEq(v % nullVal, NaN);
+        assertEq(v ** nullVal, 1);
+
+        assertEq(nullVal + v, Number(v));
+        assertEq(nullVal - v, 0 - Number(v));
+        assertEq(nullVal * v, 0);
+        res = nullVal / v;
+        assertEq(isNaN(res) || res === 0, true);
+        res = nullVal % v;
+        assertEq(isNaN(res) || res === 0, true);
+        res = nullVal ** v;
+        assertEq(res === 0 || res === 1, true);
+    }
+}
+for (var i = 0; i < 15; i++) {
+    testNullWithInt32OrBool(null);
+}
+
+function testUndefinedWithOther(undefinedVal) {
+    var vals = [1.1, NaN, true, false, null, undefined];
+    for (var v of vals) {
+        assertEq(v + undefinedVal, NaN);
+        assertEq(v - undefinedVal, NaN);
+        assertEq(v * undefinedVal, NaN);
+        assertEq(v / undefinedVal, NaN);
+        assertEq(v % undefinedVal, NaN);
+        assertEq(v ** undefinedVal, NaN);
+
+        assertEq(undefinedVal + v, NaN);
+        assertEq(undefinedVal - v, NaN);
+        assertEq(undefinedVal * v, NaN);
+        assertEq(undefinedVal / v, NaN);
+        assertEq(undefinedVal % v, NaN);
+        var res = undefinedVal ** v;
+        if (v === false || v === null) {
+            assertEq(res, 1);
+        } else {
+            assertEq(res, NaN);
+        }
+    }
+}
+for (var i = 0; i < 15; i++) {
+    testUndefinedWithOther(undefined);
+}
+
+function testBooleanWithDouble(trueVal, falseVal) {
+    var vals = [1.1, 2.2, 5, 6, 3.14];
+    for (var v of vals) {
+        assertEq(v + falseVal, v);
+        assertEq(v - falseVal, v);
+        assertEq(v * falseVal, 0);
+        assertEq(v / falseVal, Infinity);
+        assertEq(v % falseVal, NaN);
+        assertEq(v ** falseVal, 1);
+
+        assertEq(trueVal + v, v + 1);
+        assertEq(trueVal - v, 1 - v);
+        assertEq(trueVal * v, v);
+        assertEq(trueVal / v, 1 / v);
+        assertEq(trueVal % v, 1);
+        assertEq(trueVal ** v, 1);
+    }
+}
+for (var i = 0; i < 15; i++) {
+    testBooleanWithDouble(true, false);
+}