1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/unaryarith-null-undef-bool.js b/js/src/jit-test/tests/cacheir/unaryarith-null-undef-bool.js
new file mode 100644
index 0000000000..cb4894ea89
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/unaryarith-null-undef-bool.js
@@ -0,0 +1,26 @@
+function test(input, resPos, resNeg, resToNumeric, resInc, resDec) {
+    assertEq(+input, resPos);
+    assertEq(-input, resNeg);
+
+    var input1 = input;
+    assertEq(input1++, resToNumeric);
+    assertEq(input1, resInc);
+
+    var input2 = input;
+    assertEq(++input2, resInc);
+    assertEq(input1, resInc);
+
+    var input3 = input;
+    assertEq(input3--, resToNumeric);
+    assertEq(input3, resDec);
+
+    var input4 = input;
+    assertEq(--input4, resDec);
+    assertEq(input4, resDec);
+}
+for (var i = 0; i < 50; i++) {
+    test(null, 0, -0, 0, 1, -1);
+    test(undefined, NaN, NaN, NaN, NaN, NaN);
+    test(true, 1, -1, 1, 2, 0);
+    test(false, 0, -0, 0, 1, -1);
+}