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Unified Diff: client/tests/client/json/json_test.dart

Issue 8418013: Huge internal clean-up of unittestsuite. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 9 years, 2 months ago
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Index: client/tests/client/json/json_test.dart
diff --git a/client/tests/client/json/json_test.dart b/client/tests/client/json/json_test.dart
deleted file mode 100644
index 9430f74faa465a2287bbccc05a1c363cccc1a138..0000000000000000000000000000000000000000
--- a/client/tests/client/json/json_test.dart
+++ /dev/null
@@ -1,179 +0,0 @@
-// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-/**
- * Unit tests for JSON.
- */
-class JsonTest {
- static void setUpTestSuite(var suite) {
- suite.addTest(() { testParse(); });
- suite.addTest(() { testStringify(); });
- }
-
- static void runAllTests() {
- testParse();
- testStringify();
- }
-
- static void testParse() {
- // Scalars.
- Expect.equals(5, JSON.parse(' 5 '));
- Expect.equals(-42, JSON.parse(' -42 '));
- Expect.equals(3, JSON.parse(' 3e0 '));
- Expect.equals(3.14, JSON.parse(' 3.14 '));
- Expect.equals(true, JSON.parse('true '));
- Expect.equals(false, JSON.parse(' false'));
- Expect.equals(null, JSON.parse(' null '));
- Expect.equals(null, JSON.parse('\n\rnull\t'));
- Expect.equals('hi there" bob', JSON.parse(' "hi there\\" bob" '));
- Expect.equals('', JSON.parse(' "" '));
-
- // Lists.
- expectValueEquals([], JSON.parse(' [] '));
- expectValueEquals([], JSON.parse('[ ]'));
- expectValueEquals([3, -4.5, true, 'hi', false],
- JSON.parse(' [3, -4.5, true, "hi", false] '));
- // Nulls are tricky.
- expectValueEquals([null], JSON.parse('[null]'));
- expectValueEquals([3, -4.5, null, true, 'hi', false],
- JSON.parse(' [3, -4.5, null, true, "hi", false] '));
- expectValueEquals([[null]], JSON.parse('[[null]]'));
- expectValueEquals([[3], [], [null], ['hi', true]],
- JSON.parse(' [ [3], [], [null], ["hi", true]] '));
-
- // Maps.
- expectValueEquals({}, JSON.parse(' {} '));
- expectValueEquals({}, JSON.parse('{ }'));
-
- expectValueEquals(
- {'x':3, 'y':-4.5, 'z':'hi', 'u':true, 'v':false},
- JSON.parse(' {"x":3, "y": -4.5, "z" : "hi","u" : true, "v": false } '));
- expectValueEquals({"x":3, "y":-4.5, "z":'hi'},
- JSON.parse(' {"x":3, "y": -4.5, "z" : "hi" } '));
- expectValueEquals({"z":'hi', "x":3, "y":-4.5},
- JSON.parse(' {"y": -4.5, "z" : "hi" ,"x":3 } '));
-
- expectValueEquals({' hi bob ':3, '':4.5},
- JSON.parse('{ " hi bob " :3, "": 4.5}'));
-
- expectValueEquals({'x':{}}, JSON.parse(' { "x" : { } } '));
- expectValueEquals({'x':{}}, JSON.parse('{"x":{}}'));
-
- // Nulls are tricky.
- expectValueEquals({'w':null}, JSON.parse('{"w":null}'));
- expectValueEquals({'x':{'w':null}}, JSON.parse('{"x":{"w":null}}'));
- expectValueEquals(
- {'x':3, 'y':-4.5, 'z':'hi', 'w':null, 'u':true, 'v':false},
- JSON.parse(' {"x":3, "y": -4.5, "z" : "hi",'
- + '"w":null, "u" : true, "v": false } '));
- expectValueEquals(
- {'x':{'a':3, 'b':-4.5}, 'y':[{}], 'z':'hi', 'w':{'c':null, 'd':true},
- 'v':null},
- JSON.parse('{"x": {"a":3, "b": -4.5}, "y":[{}], '
- + '"z":"hi","w":{"c":null,"d":true}, "v":null}'));
- }
-
- static void testStringify() {
- // Scalars.
- Expect.equals('5', JSON.stringify(5));
- Expect.equals('-42', JSON.stringify(-42));
- // Dart does not guarantee a formatting for doubles,
- // so reparse and compare to the original.
- testRoundTrip(3.14);
- Expect.equals('true', JSON.stringify(true));
- Expect.equals('false', JSON.stringify(false));
- Expect.equals('null', JSON.stringify(null));
- Expect.equals('" hi there\\" bob "', JSON.stringify(' hi there" bob '));
- Expect.equals('""', JSON.stringify(''));
-
- // Lists.
- Expect.equals('[]', JSON.stringify([]));
- Expect.equals('[]', JSON.stringify(new List(0)));
- Expect.equals('[null,null,null]', JSON.stringify(new List(3)));
- testRoundTrip([3, -4.5, null, true, 'hi', false]);
- Expect.equals('[[3],[],[null],["hi",true]]',
- JSON.stringify([[3], [], [null], ['hi', true]]));
-
- // Maps.
- Expect.equals('{}', JSON.stringify({}));
- Expect.equals('{}', JSON.stringify(new Map()));
- Expect.equals('{"x":{}}', JSON.stringify({'x':{}}));
- Expect.equals('{"x":{"a":3}}', JSON.stringify({'x':{'a':3}}));
-
- // Dart does not guarantee an order on the keys
- // of a map literal, so reparse and compare to the original Map.
- testRoundTrip({'x':3, 'y':-4.5, 'z':'hi', 'w':null, 'u':true, 'v':false});
- testRoundTrip({"x":3, "y":-4.5, "z":'hi'});
- testRoundTrip({' hi bob ':3, '':4.5});
- testRoundTrip(
- {'x':{'a':3, 'b':-4.5}, 'y':[{}], 'z':'hi', 'w':{'c':null, 'd':true},
- 'v':null});
-
- testUnconvertible();
- }
-
- /**
- * Checks that the argument can be converted to a JSON string and
- * back, and produce something equivalent to the argument.
- */
- static void testRoundTrip(expected) {
- expectValueEquals(expected, JSON.parse(JSON.stringify(expected)));
- }
-
- /**
- * Checks that we get an exception (rather than silently returning null) if
- * we try to stringify something that cannot be converted to json.
- */
- static bool testUnconvertible() {
- bool gotException = false;
- try {
- JSON.stringify(new TestClass());
- } catch (var e) {
- gotException = true;
- }
- Expect.equals(true, gotException);
- }
-
-
- /**
- * Checks that expected value-equals actual, where value-equals is
- * the same as == except for Lists and Maps where it's recursive
- * value-equals.
- */
- // TODO(chambers): Move into Expect class.
- static void expectValueEquals(expected, actual, [String message='']) {
- if (expected is List && actual is List) {
- int n = Math.min(expected.length, actual.length);
- for (int i = 0; i < n; i++) {
- expectValueEquals(expected[i], actual[i], 'at index ${i} ${message}');
- }
- // We check on length at the end in order to provide better error
- // messages when an unexpected item is inserted in a list.
- Expect.equals(expected.length, actual.length);
- } else if (expected is Map && actual is Map) {
- expectIsContained(expected, actual, 'in actual ${message}');
- expectIsContained(actual, expected, 'in expected ${message}', false);
- } else {
- Expect.equals(expected, actual);
- }
- }
-
- static void expectIsContained(Map expected, Map actual,
- [String message='', bool checkValues=true]) {
- for (final key in expected.getKeys()) {
- Expect.equals(true, actual.containsKey(key));
- if (checkValues) {
- expectValueEquals(expected[key], actual[key],
- 'at key ${key} ${message}');
- }
- }
- }
-}
-
-class TestClass {
- int x;
- String y;
-
- TestClass() : x = 3, y = 'joe' { }
-}

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