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28 // Flags: --expose-debug-as debug --turbo-deoptimization
30 // The functions used for testing backtraces.
31 function Point(x, y) {
36 Point.prototype.distanceTo = function(p) {
38 return Math.sqrt(Math.pow(Math.abs(this.x - p.x), 2) + Math.pow(Math.abs(this.y - p.y), 2))
44 p1.distanceTo = function(p) {
45 return p.distanceTo(this);
48 function distance(p, q) {
49 return p.distanceTo(q);
52 function createPoint(x, y) {
53 return new Point(x, y);
58 // Get the Debug object exposed from the debug context global object.
61 testConstructor = false; // Flag to control which part of the test is run.
62 listenerCalled = false;
65 function safeEval(code) {
67 return eval('(' + code + ')');
73 function listener(event, exec_state, event_data, data) {
75 if (event == Debug.DebugEvent.Break)
77 if (!testConstructor) {
78 // The expected backtrace is
79 // 0: Call distance on Point where distance is a property on the prototype
80 // 1: Call distance on Point where distance is a direct property
81 // 2: Call on function an array element 2
83 assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(0).invocationText());
84 assertEquals("#<Point>.distanceTo(p=#<Point>)", exec_state.frame(1).invocationText());
85 assertEquals("#<Array>[2](aka distance)(p=#<Point>, q=#<Point>)", exec_state.frame(2).invocationText());
86 assertEquals("[anonymous]()", exec_state.frame(3).invocationText());
87 listenerCalled = true;
89 // The expected backtrace is
90 // 0: Call Point constructor
91 // 1: Call on global function createPoint
93 assertEquals("new Point(x=0, y=0)", exec_state.frame(0).invocationText());
94 assertEquals("createPoint(x=0, y=0)", exec_state.frame(1).invocationText());
95 assertEquals("[anonymous]()", exec_state.frame(2).invocationText());
96 listenerCalled = true;
104 // Add the debug event listener.
105 Debug.setListener(listener);
107 // Set a break point and call to invoke the debug event listener.
110 // Make sure that the debug event listener vas invoked.
111 assertTrue(listenerCalled);
112 assertFalse(exception, "exception in listener")
114 // Set a break point and call to invoke the debug event listener.
115 listenerCalled = false;
116 testConstructor = true;
117 Debug.setBreakPoint(Point, 0, 0);
120 // Make sure that the debug event listener vas invoked (again).
121 assertTrue(listenerCalled);
122 assertFalse(exception, "exception in listener")