Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --harmony-async-await --expose-debug-as debug |
| 6 | |
| 7 | var Debug = debug.Debug; |
| 8 | var breakPointCount = 0; |
| 9 | |
| 10 | function listener(event, exec_state, event_data, data) { |
| 11 | if (event != Debug.DebugEvent.Break) return; |
| 12 | ++breakPointCount; |
| 13 | try { |
| 14 | if (breakPointCount === 1) { |
| 15 | assertEquals( |
| 16 | "inner", exec_state.frame(0).evaluate("inner").value()); |
| 17 | assertThrows(() => exec_state.frame(0).evaluate("letInner").value(), |
| 18 | ReferenceError); |
| 19 | assertThrows(() => exec_state.frame(0).evaluate("constInner").value(), |
| 20 | ReferenceError); |
| 21 | |
| 22 | assertEquals("outer", exec_state.frame(0).evaluate("outer").value()); |
| 23 | assertEquals( |
| 24 | "const outer", exec_state.frame(0).evaluate("constOuter").value()); |
| 25 | assertEquals( |
| 26 | "let outer", exec_state.frame(0).evaluate("letOuter").value()); |
| 27 | |
| 28 | assertEquals("outer", exec_state.frame(1).evaluate("outer").value()); |
| 29 | assertEquals( |
| 30 | "const outer", exec_state.frame(1).evaluate("constOuter").value()); |
| 31 | assertEquals( |
| 32 | "let outer", exec_state.frame(1).evaluate("letOuter").value()); |
| 33 | |
| 34 | assertThrows(() => exec_state.frame(0).evaluate("withVar").value(), |
| 35 | ReferenceError); |
| 36 | |
| 37 | } else if (breakPointCount === 2) { |
| 38 | assertEquals( |
| 39 | "inner", exec_state.frame(0).evaluate("inner").value()); |
| 40 | assertThrows(() => exec_state.frame(0).evaluate("letInner").value(), |
| 41 | ReferenceError); |
| 42 | assertThrows(() => exec_state.frame(0).evaluate("constInner").value(), |
| 43 | ReferenceError); |
| 44 | |
| 45 | assertEquals(57, exec_state.frame(0).evaluate("x").value()); |
| 46 | assertEquals(100, exec_state.frame(0).evaluate("y").value()); |
| 47 | |
| 48 | // From breakPointCount === 1 and later, it's not possible to access |
| 49 | // earlier framestates. |
| 50 | assertEquals("outer", exec_state.frame(0).evaluate("outer").value()); |
| 51 | assertEquals( |
| 52 | "const outer", exec_state.frame(0).evaluate("constOuter").value()); |
| 53 | assertEquals( |
| 54 | "let outer", exec_state.frame(0).evaluate("letOuter").value()); |
| 55 | |
| 56 | exec_state.frame(0).evaluate("x = `x later(${x})`"); |
| 57 | exec_state.frame(0).evaluate("y = `y later(${y})`"); |
| 58 | exec_state.frame(0).evaluate("z = `ZEE`"); |
| 59 | |
| 60 | } else if (breakPointCount === 3) { |
| 61 | assertEquals( |
| 62 | "inner", exec_state.frame(0).evaluate("inner").value()); |
| 63 | assertEquals( |
| 64 | "let inner", exec_state.frame(0).evaluate("letInner").value()); |
| 65 | assertEquals( |
| 66 | "const inner", exec_state.frame(0).evaluate("constInner").value()); |
| 67 | |
| 68 | } else if (breakPointCount === 4) { |
| 69 | assertEquals( |
| 70 | "oop", exec_state.frame(0).evaluate("error.message").value()); |
| 71 | assertEquals( |
| 72 | "Error", |
| 73 | exec_state.frame(0).evaluate("error.constructor.name").value()); |
| 74 | assertEquals("floof", exec_state.frame(0).evaluate("bun").value()); |
| 75 | assertThrows(() => exec_state.frame(0).evaluate("cow").value(), |
| 76 | ReferenceError); |
| 77 | |
| 78 | assertEquals("outer", exec_state.frame(0).evaluate("outer").value()); |
| 79 | assertEquals( |
| 80 | "const outer", exec_state.frame(0).evaluate("constOuter").value()); |
| 81 | assertEquals( |
| 82 | "let outer", exec_state.frame(0).evaluate("letOuter").value()); |
| 83 | } |
| 84 | } catch (e) { |
| 85 | print(e.stack); |
| 86 | quit(1); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | Debug.setListener(listener); |
| 91 | |
| 92 | var outer = "outer"; |
| 93 | const constOuter = "const outer"; |
| 94 | let letOuter = "let outer" |
| 95 | |
| 96 | async function thrower() { |
| 97 | return Promise.reject(new Error("oop")); |
| 98 | } |
| 99 | |
| 100 | async function testLater() { |
| 101 | return { x: 57, y: 100 }; |
| 102 | } |
| 103 | |
| 104 | async function test() { |
| 105 | var inner = "inner"; |
| 106 | debugger; |
| 107 | |
| 108 | let withVar = await testLater(); |
| 109 | with (withVar) { |
| 110 | debugger; |
| 111 | } |
| 112 | |
| 113 | assertEquals("x later(57)", withVar.x); |
| 114 | assertEquals("y later(100)", withVar.y); |
| 115 | assertEquals(undefined, withVar.z); |
| 116 | assertEquals("ZEE", z); |
| 117 | |
| 118 | let letInner = "let inner"; |
| 119 | const constInner = "const inner"; |
| 120 | debugger; |
| 121 | |
| 122 | try { |
| 123 | await thrower(); |
| 124 | } catch (error) { |
| 125 | const bun = "floof"; |
| 126 | debugger; |
| 127 | let cow = "moo"; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | test(). |
| 132 | then(x => { |
| 133 | Debug.setListener(null); |
| 134 | }). |
| 135 | catch(error => { |
| 136 | print(error.stack); |
| 137 | quit(1); |
| 138 | Debug.setListener(null); |
| 139 | }); |