Frame-implementation-02.js

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// Test that Ion frames are invalidated by turning on Debugger. Invalidation

// is unobservable, but we know that Ion scripts cannot handle Debugger

// handlers, so we test for the handlers being called.

load(libdir + "jitopts.js");

if (!jitTogglesMatch(Opts_Ion2NoOffthreadCompilation))

  quit();

withJitOptions(Opts_Ion2NoOffthreadCompilation, function () {

  var g = newGlobal({newCompartment: true});

  var dbg = new Debugger;

  var onPopExecuted = false;

  var breakpointHit = false;

  g.toggle = function toggle(d) {

    if (d) {

      dbg.addDebuggee(g);

      var frame1 = dbg.getNewestFrame();

      assertEq(frame1.implementation, "ion");

      frame1.onPop = function () {

        onPopExecuted = true;

};

      var frame2 = frame1.older;

      assertEq(frame2.implementation, "ion");

      // Offset of |print(42 + 42)|

      var offset = frame2.script.getLineOffsets(3)[0];

      frame2.script.setBreakpoint(offset, { hit: function (fr) {

        assertEq(fr.implementation != "ion", true);

        breakpointHit = true;

      }});

};

  g.eval("" + function f(d) {

    g(d);

    print(42 + 42);

});

  g.eval("" + function g(d) { toggle(d); });

  g.eval("(" + function test() {

    for (var i = 0; i < 5; i++)

      f(false);

    f(true);

  } + ")();");

  assertEq(onPopExecuted, true);

  assertEq(breakpointHit, true);

});