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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 /// Test that poi.dart finds the right element. | |
| 6 | |
| 7 library trydart.poi_find_test; | |
| 8 | |
| 9 import 'dart:io' show | |
| 10 Platform; | |
| 11 | |
| 12 import 'dart:async' show | |
| 13 Future; | |
| 14 | |
| 15 import 'package:try/poi/poi.dart' as poi; | |
| 16 | |
| 17 import 'package:async_helper/async_helper.dart'; | |
| 18 | |
| 19 import 'package:expect/expect.dart'; | |
| 20 | |
| 21 import 'package:compiler/src/elements/elements.dart' show | |
| 22 Element; | |
| 23 | |
| 24 import 'package:compiler/src/source_file_provider.dart' show | |
| 25 FormattingDiagnosticHandler; | |
| 26 | |
| 27 Future testPoi() { | |
| 28 Uri script = Platform.script.resolve('data/empty_main.dart'); | |
| 29 FormattingDiagnosticHandler handler = new FormattingDiagnosticHandler(); | |
| 30 handler.verbose = false; | |
| 31 | |
| 32 Future future = poi.runPoi(script, 225, handler.provider, handler); | |
| 33 return future.then((Element element) { | |
| 34 Uri foundScript = element.compilationUnit.script.resourceUri; | |
| 35 Expect.stringEquals('$script', '$foundScript'); | |
| 36 Expect.stringEquals('main', element.name); | |
| 37 | |
| 38 String source = handler.provider.sourceFiles[script].slowText(); | |
| 39 final int position = source.indexOf('main()'); | |
| 40 Expect.isTrue(position > 0, '$position > 0'); | |
| 41 | |
| 42 var token; | |
| 43 | |
| 44 // When the cursor is at the same character offset as "main()", it | |
| 45 // corresponds to having the cursor just before "main()". So we find the | |
| 46 // "void" token. | |
| 47 token = poi.findToken(element, position); | |
| 48 Expect.isNotNull(token, 'token'); | |
| 49 Expect.stringEquals('void', token.value); | |
| 50 | |
| 51 // Cursor at position + 1 corresponds to having the cursor just after "m" | |
| 52 // in "main()". So we find the "main" token. | |
| 53 token = poi.findToken(element, position + 1); | |
| 54 Expect.isNotNull(token, 'token'); | |
| 55 Expect.equals(position, token.charOffset); | |
| 56 Expect.stringEquals('main', token.value); | |
| 57 | |
| 58 // This corresponds to the cursor after "main", but before "()" in | |
| 59 // "main()". So we find the "main" token. | |
| 60 token = poi.findToken(element, position + 4); | |
| 61 Expect.isNotNull(token, 'token'); | |
| 62 Expect.equals(position, token.charOffset); | |
| 63 Expect.stringEquals('main', token.value); | |
| 64 | |
| 65 // This corresponds to the cursor after "(" in "main()". So we find the "(" | |
| 66 // token. | |
| 67 token = poi.findToken(element, position + 5); | |
| 68 Expect.isNotNull(token, 'token'); | |
| 69 Expect.equals(position + 4, token.charOffset, '$token'); | |
| 70 Expect.stringEquals('(', token.value); | |
| 71 }); | |
| 72 } | |
| 73 | |
| 74 void main() { | |
| 75 asyncTest(testPoi); | |
| 76 } | |
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