| Index: packages/observe/test/list_change_test.dart
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| diff --git a/packages/observe/test/list_change_test.dart b/packages/observe/test/list_change_test.dart
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| deleted file mode 100644
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| index 30afb6073a42f3a0bc2ffae5c54fa59ad7c91cc0..0000000000000000000000000000000000000000
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| --- a/packages/observe/test/list_change_test.dart
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| +++ /dev/null
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| @@ -1,268 +0,0 @@
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| -// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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| -// for details. All rights reserved. Use of this source code is governed by a
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| -// BSD-style license that can be found in the LICENSE file.
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| -
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| -import 'dart:async';
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| -import 'package:observe/observe.dart';
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| -import 'package:unittest/unittest.dart';
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| -import 'observe_test_utils.dart';
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| -
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| -// This file contains code ported from:
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| -// https://github.com/rafaelw/ChangeSummary/blob/master/tests/test.js
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| -
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| -main() => dirtyCheckZone().run(listChangeTests);
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| -
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| -// TODO(jmesserly): port or write array fuzzer tests
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| -listChangeTests() {
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| - StreamSubscription sub;
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| - var model;
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| -
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| - tearDown(() {
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| - sub.cancel();
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| - model = null;
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| - });
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| -
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| - _delta(i, r, a) => new ListChangeRecord(model, i, removed: r, addedCount: a);
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| -
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| - test('sequential adds', () {
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| - model = toObservable([]);
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| - model.add(0);
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| -
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| - var summary;
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| - sub = model.listChanges.listen((r) { summary = r; });
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| -
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| - model.add(1);
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| - model.add(2);
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| -
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| - expect(summary, null);
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| - return new Future(() => expectChanges(summary, [_delta(1, [], 2)]));
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| - });
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| -
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| - test('List Splice Truncate And Expand With Length', () {
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| - model = toObservable(['a', 'b', 'c', 'd', 'e']);
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| -
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| - var summary;
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| - sub = model.listChanges.listen((r) { summary = r; });
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| -
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| - model.length = 2;
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| -
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| - return new Future(() {
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| - expectChanges(summary, [_delta(2, ['c', 'd', 'e'], 0)]);
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| - summary = null;
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| - model.length = 5;
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| -
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| - }).then(newMicrotask).then((_) {
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| -
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| - expectChanges(summary, [_delta(2, [], 3)]);
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| - });
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| - });
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| -
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| - group('List deltas can be applied', () {
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| -
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| - applyAndCheckDeltas(model, copy, changes) => changes.then((summary) {
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| - // apply deltas to the copy
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| - for (var delta in summary) {
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| - copy.removeRange(delta.index, delta.index + delta.removed.length);
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| - for (int i = delta.addedCount - 1; i >= 0; i--) {
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| - copy.insert(delta.index, model[delta.index + i]);
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| - }
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| - }
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| -
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| - // Note: compare strings for easier debugging.
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| - expect('$copy', '$model', reason: 'summary $summary');
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| - });
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| -
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| - test('Contained', () {
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| - var model = toObservable(['a', 'b']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(1);
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| - model.insertAll(0, ['c', 'd', 'e']);
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| - model.removeRange(1, 3);
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| - model.insert(1, 'f');
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Delete Empty', () {
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| - var model = toObservable([1]);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(0);
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| - model.insertAll(0, ['a', 'b', 'c']);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Right Non Overlap', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeRange(0, 1);
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| - model.insert(0, 'e');
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| - model.removeRange(2, 3);
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| - model.insertAll(2, ['f', 'g']);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Left Non Overlap', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeRange(3, 4);
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| - model.insertAll(3, ['f', 'g']);
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| - model.removeRange(0, 1);
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| - model.insert(0, 'e');
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Right Adjacent', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeRange(1, 2);
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| - model.insert(3, 'e');
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| - model.removeRange(2, 3);
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| - model.insertAll(0, ['f', 'g']);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Left Adjacent', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeRange(2, 4);
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| - model.insert(2, 'e');
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| -
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| - model.removeAt(1);
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| - model.insertAll(1, ['f', 'g']);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Right Overlap', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(1);
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| - model.insert(1, 'e');
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| - model.removeAt(1);
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| - model.insertAll(1, ['f', 'g']);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Left Overlap', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(2);
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| - model.insertAll(2, ['e', 'f', 'g']);
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| - // a b [e f g] d
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| - model.removeRange(1, 3);
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| - model.insertAll(1, ['h', 'i', 'j']);
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| - // a [h i j] f g d
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Prefix And Suffix One In', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.insert(0, 'z');
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| - model.add('z');
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Remove First', () {
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| - var model = toObservable([16, 15, 15]);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(0);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Update Remove', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(2);
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| - model.insertAll(2, ['e', 'f', 'g']); // a b [e f g] d
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| - model[0] = 'h';
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| - model.removeAt(1);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| -
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| - test('Remove Mid List', () {
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| - var model = toObservable(['a', 'b', 'c', 'd']);
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| - var copy = model.toList();
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| - var changes = model.listChanges.first;
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| -
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| - model.removeAt(2);
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| -
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| - return applyAndCheckDeltas(model, copy, changes);
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| - });
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| - });
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| -
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| - group('edit distance', () {
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| -
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| - assertEditDistance(orig, changes, expectedDist) => changes.then((summary) {
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| - var actualDistance = 0;
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| - for (var delta in summary) {
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| - actualDistance += delta.addedCount + delta.removed.length;
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| - }
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| -
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| - expect(actualDistance, expectedDist);
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| - });
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| -
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| - test('add items', () {
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| - var model = toObservable([]);
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| - var changes = model.listChanges.first;
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| - model.addAll([1, 2, 3]);
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| - return assertEditDistance(model, changes, 3);
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| - });
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| -
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| - test('trunacte and add, sharing a contiguous block', () {
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| - var model = toObservable(['x', 'x', 'x', 'x', '1', '2', '3']);
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| - var changes = model.listChanges.first;
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| - model.length = 0;
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| - model.addAll(['1', '2', '3', 'y', 'y', 'y', 'y']);
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| - return assertEditDistance(model, changes, 8);
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| - });
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| -
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| - test('truncate and add, sharing a discontiguous block', () {
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| - var model = toObservable(['1', '2', '3', '4', '5']);
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| - var changes = model.listChanges.first;
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| - model.length = 0;
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| - model.addAll(['a', '2', 'y', 'y', '4', '5', 'z', 'z']);
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| - return assertEditDistance(model, changes, 7);
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| - });
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| -
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| - test('insert at beginning and end', () {
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| - var model = toObservable([2, 3, 4]);
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| - var changes = model.listChanges.first;
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| - model.insert(0, 5);
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| - model[2] = 6;
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| - model.add(7);
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| - return assertEditDistance(model, changes, 4);
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| - });
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| - });
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| -}
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|
|