Bug 968575: Add unit tests for Debugger.Source.prototype.introductionType. r=djvj

js/src/jit-test/tests/debug/Source-introductionType.js

@@ -0,0 +1,38 @@
+// Check that scripts' introduction types are properly marked.
+
+var g = newGlobal();
+var dbg = new Debugger(g);
+var log;
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  assertEq(frame.script.source.introductionType, 'eval');
+};
+log = '';
+g.eval('debugger;');
+assertEq(log, 'd');
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  assertEq(frame.script.source.introductionType, 'Function');
+};
+log = '';
+g.Function('debugger;')();
+assertEq(log, 'd');
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  assertEq(frame.script.source.introductionType, 'GeneratorFunction');
+};
+log = '';
+g.eval('(function*() {})').constructor('debugger;')().next();
+assertEq(log, 'd');
+
+dbg.onDebuggerStatement = function (frame) {
+  log += 'd';
+  assertEq(frame.script.source.introductionType, undefined);
+};
+log = '';
+g.evaluate('debugger;');
+assertEq(log, 'd');
+