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| 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 |
| 6 |
| 7 async function test(func, funcs) { |
| 8 try { |
| 9 await func(); |
| 10 throw new Error("Expected " + func.toString() + " to throw"); |
| 11 } catch (e) { |
| 12 var stack = e.stack.split('\n'). |
| 13 slice(1). |
| 14 map(line => line.trim()). |
| 15 map(line => line.match(/at (?:(.*) )?.*$/)[1]). |
| 16 filter(x => typeof x === 'string' && x.length); |
| 17 |
| 18 assertEquals(funcs, stack, `Unexpected stack trace ${e.stack}`); |
| 19 } |
| 20 } |
| 21 |
| 22 function thrower() { throw new Error("NOPE"); } |
| 23 function reject() { return Promise.reject(new Error("NOPE")); } |
| 24 |
| 25 async function runTests() { |
| 26 await test(async function a() { |
| 27 throw new Error("FAIL"); |
| 28 }, |
| 29 ["a", "test", "runTests"]); |
| 30 |
| 31 await test(async function a2() { |
| 32 await 1; |
| 33 throw new Error("FAIL"); |
| 34 }, ["a2"]); |
| 35 |
| 36 await test(async function a3() { |
| 37 await 1; |
| 38 try { await thrower(); } catch (e) { throw new Error("FAIL"); } |
| 39 }, ["a3"]); |
| 40 |
| 41 await test(async function a4() { |
| 42 await 1; |
| 43 try { await reject(); } catch (e) { throw new Error("FAIL"); } |
| 44 }, ["a4"]); |
| 45 |
| 46 await test({ async b() { |
| 47 throw new Error("FAIL"); |
| 48 }}.b, |
| 49 ["b", "test", "runTests"]); |
| 50 |
| 51 await test({ async b2() { |
| 52 await 1; |
| 53 throw new Error("FAIL"); |
| 54 }}.b2, ["b2"]); |
| 55 |
| 56 await test({ async b3() { |
| 57 await 1; |
| 58 try { await thrower(); } catch (e) { throw new Error("FAIL"); } |
| 59 } }.b3, ["b3"]); |
| 60 |
| 61 await test({ async b4() { |
| 62 await 1; |
| 63 try { await reject(); } catch (e) { throw new Error("FAIL"); } |
| 64 } }.b4, ["b4"]); |
| 65 |
| 66 await test((new class { async c() { |
| 67 throw new Error("FAIL"); |
| 68 } }).c, |
| 69 ["c", "test", "runTests"]); |
| 70 |
| 71 await test((new class { async c2() { |
| 72 await 1; |
| 73 throw new Error("FAIL"); |
| 74 } }).c2, ["c2"]); |
| 75 |
| 76 await test((new class { async c3() { |
| 77 await 1; |
| 78 try { await thrower(); } catch (e) { throw new Error("FAIL"); } |
| 79 } }).c3, ["c3"]); |
| 80 |
| 81 await test((new class { async c4() { |
| 82 await 1; |
| 83 try { await reject(); } catch (e) { throw new Error("FAIL"); } |
| 84 } }).c4, ["c4"]); |
| 85 |
| 86 // TODO(caitp): `async` probably shouldn't be the inferred name for async |
| 87 // arrow functions... |
| 88 await test(async() => { throw new Error("FAIL") }, |
| 89 ["async", "test", "runTests"]); |
| 90 |
| 91 await test(async() => { await 1; throw new Error("FAIL") }, ["async"]); |
| 92 |
| 93 await test(async() => { |
| 94 await 1; |
| 95 try { |
| 96 await thrower(); |
| 97 } catch (e) { |
| 98 throw new Error("FAIL"); |
| 99 } |
| 100 }, ["e"]); // TODO(caitp): FuncNameInferer is doing some weird stuff... |
| 101 |
| 102 await test(async() => { |
| 103 await 1; |
| 104 try { |
| 105 await reject(); |
| 106 } catch (e) { |
| 107 throw new Error("FAIL"); |
| 108 } |
| 109 }, ["e"]); |
| 110 } |
| 111 |
| 112 runTests().catch(e => { |
| 113 print(e); |
| 114 quit(1); |
| 115 }); |
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