CSE2410 Fall 2014 Bounce

// Test non-shallow nested graph of captured objects.

(function testDeep() {

  var deopt = { deopt:false };

  function constructor1() {

    this.x = 23;

  }

  function constructor2(nested) {

    this.a = 17;

    this.b = nested;

    this.c = 42;

  }

  function deep() {

    var o1 = new constructor1();

    var o2 = new constructor2(o1);

    assertEquals(17, o2.a);

    assertEquals(23, o2.b.x);

    assertEquals(42, o2.c);

    o1.x = 99;

    deopt.deopt;

    assertEquals(99, o1.x);

    assertEquals(99, o2.b.x);

  }

  deep(); deep();

  %OptimizeFunctionOnNextCall(deep);

  deep(); deep();

  delete deopt.deopt;

  deep(); deep();

})();

// Test materialization of a field that requires a Smi value.

(function testSmiField() {

  var deopt = { deopt:false };

  function constructor() {

    this.x = 1;

  }

  function field(x) {

    var o = new constructor();

    o.x = x;

    deopt.deopt

    assertEquals(x, o.x);

  }

  field(1); field(2);

  %OptimizeFunctionOnNextCall(field);

  field(3); field(4);

  delete deopt.deopt;

  field(5.5); field(6.5);

})();

// Test materialization of a field that requires a heap object value.

(function testHeapObjectField() {

  var deopt = { deopt:false };

  function constructor() {

    this.x = {};

  }

  function field(x) {

    var o = new constructor();

    o.x = x;

    deopt.deopt

    assertEquals(x, o.x);

  }

  field({}); field({});

  %OptimizeFunctionOnNextCall(field);

  field({}); field({});

  delete deopt.deopt;

  field(1); field(2);

})();