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-rw-r--r--js/src/jit-test/tests/basic/eif-generator.js58
1 files changed, 58 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/eif-generator.js b/js/src/jit-test/tests/basic/eif-generator.js
new file mode 100644
index 000000000..99a45bf5a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/eif-generator.js
@@ -0,0 +1,58 @@
+load(libdir + "evalInFrame.js");
+
+function f() {
+ {
+ let x = 1;
+ while (true) {
+ yield evalInFrame(0, "x");
+ x++;
+ {
+ let y = 1;
+ yield evalInFrame(0, "++y");
+ yield evalInFrame(0, "++y");
+ }
+ }
+ }
+}
+
+var gen = f();
+assertEq(gen.next(), 1);
+assertEq(gen.next(), 2);
+gc();
+assertEq(gen.next(), 3);
+gc();
+assertEq(gen.next(), 2);
+assertEq(gen.next(), 2);
+gc();
+assertEq(gen.next(), 3);
+gc();
+assertEq(gen.next(), 3);
+assertEq(gen.next(), 2);
+gc();
+assertEq(gen.next(), 3);
+gen = null;
+gc();
+
+function g() {
+ {
+ let x = 1;
+ while (true) {
+ var inner = function (inc) { x += inc; return evalInFrame(0, "x") };
+ assertEq(inner(0), x);
+ yield inner;
+ assertEq(inner(0), x);
+ }
+ }
+}
+
+var gen = g();
+var g1 = gen.next();
+var g2 = gen.next();
+gc();
+assertEq(g1(1), 2);
+assertEq(g2(1), 3);
+gc();
+assertEq(g1(1), 4);
+assertEq(g2(1), 5);
+gen = g1 = g2 = null;
+gc();