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-rw-r--r--js/src/jit-test/tests/ion/valueToInt32.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/valueToInt32.js b/js/src/jit-test/tests/ion/valueToInt32.js
new file mode 100644
index 000000000..65ad561ec
--- /dev/null
+++ b/js/src/jit-test/tests/ion/valueToInt32.js
@@ -0,0 +1,41 @@
+// vim: set ts=8 sts=4 et sw=4 tw=99:
+
+function f(x, y) {
+ // Confuse the type analysis to not know the type of x.
+ var u;
+ var a = x + u;
+ var b = x + 3;
+ return x + y;
+}
+
+function g_bool(x, y) {
+ var t;
+ if (x + 0)
+ t = true;
+ else
+ t = false;
+ return t + y;
+
+}
+function g_null(x) {
+ return null + x;
+}
+
+assertEq(g_bool(1, 2), 3);
+assertEq(g_bool(0, 2), 2);
+assertEq(g_null(2), 2);
+
+// These will not bailout.
+assertEq(f(Math.cos(Math.PI), 2), 1);
+assertEq(f(null, 2), 2);
+assertEq(f(false, 2), 2);
+assertEq(f(true, 2), 3);
+assertEq(f(17, 2), 19);
+
+// These will bailout.
+assertEq(f(undefined, 2), Number.NaN);
+assertEq(f("20", 2), "202");
+assertEq(f(16.3, 2), 18.3);
+assertEq((1 / f(-0, -0)), -Infinity);
+
+