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-rw-r--r--js/src/jit-test/tests/truthiness/not.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/truthiness/not.js b/js/src/jit-test/tests/truthiness/not.js
new file mode 100644
index 000000000..4adccdaff
--- /dev/null
+++ b/js/src/jit-test/tests/truthiness/not.js
@@ -0,0 +1,24 @@
+function t1(v)
+{
+ if (!v)
+ return 1;
+ return 0;
+}
+
+assertEq(t1(objectEmulatingUndefined()), 1);
+assertEq(t1(objectEmulatingUndefined()), 1);
+assertEq(t1(objectEmulatingUndefined()), 1);
+
+function t2(v)
+{
+ if (!v)
+ return 1;
+ return 0;
+}
+
+assertEq(t2(17), 0);
+assertEq(t2(0), 1);
+assertEq(t2(-0), 1);
+assertEq(t2(objectEmulatingUndefined()), 1);
+assertEq(t2(objectEmulatingUndefined()), 1);
+assertEq(t2(objectEmulatingUndefined()), 1);