1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-callee-01.js b/js/src/jit-test/tests/debug/Environment-callee-01.js
new file mode 100644
index 000000000..424e9164a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-callee-01.js
@@ -0,0 +1,48 @@
+// Debugger.Environment.prototype.callee reveals the callee of environments
+// that have them.
+
+var g = newGlobal();
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+
+function check(code, expectedType, expectedCallee) {
+  print("check(" + uneval(code) + ")");
+  var hits;
+  dbg.onDebuggerStatement = function (frame) {
+    hits++;
+    var env = frame.environment;
+    assertEq(env.type, expectedType);
+    assertEq(env.callee, expectedCallee);
+  };
+  hits = 0;
+  g.eval(code);
+  assertEq(hits, 1);
+}
+
+check('debugger;', 'declarative', null);
+check('with({}) { debugger; };', 'with', null);
+check('{ let x=1; debugger; };', 'declarative', null);
+
+g.eval('function f() { debugger; }');
+check('f()', 'declarative', gw.makeDebuggeeValue(g.f));
+
+g.eval('function g() { h(); }');
+g.eval('function h() { debugger; }');
+check('g()', 'declarative', gw.makeDebuggeeValue(g.h));
+
+// All evals get a lexical scope.
+check('"use strict"; eval("debugger");', 'declarative', null);
+g.eval('function j() { "use strict"; eval("debugger;"); }');
+check('j()', 'declarative', null);
+
+// All evals get a lexical scope.
+check('eval("debugger");', 'declarative', null);
+
+g.eval('function m() { debugger; yield true; }');
+check('m().next();', 'declarative', gw.makeDebuggeeValue(g.m));
+
+g.eval('function n() { { let x = 1; debugger; } }');
+check('n()', 'declarative', null);
+
+g.eval('function* o() { debugger; yield true; }');
+check('o().next();', 'declarative', gw.makeDebuggeeValue(g.o));