mirror of
https://github.com/dart-lang/sdk
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2dcd56ef43
There are far too many files here to review everyone carefully. Spot checking most of the diffs look good as test code is generally written with less care than application code so lots of ugly formatting get through. If people notice files where the automated formatting bothers them feel free to comment indicating file names and I'll move spaces within comments to make the formatting cleaner and use comments to force block formatting as I have done for other case where formatting looked bad. BUG= R=efortuna@google.com Review-Url: https://codereview.chromium.org/2771453003 .
117 lines
3.1 KiB
Dart
117 lines
3.1 KiB
Dart
// Copyright (c) 2012, 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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// Test program for map literals.
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import "package:expect/expect.dart";
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class MapLiteralTest {
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static testMain() {
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var map = {"a": 1, "b": 2, "c": 3};
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Expect.equals(map.length, 3);
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Expect.equals(map["a"], 1);
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Expect.equals(map["z"], null);
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Expect.equals(map["c"], 3);
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map["foo"] = 42;
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Expect.equals(map.length, 4);
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Expect.equals(map["foo"], 42);
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map["foo"] = 55;
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Expect.equals(map.length, 4);
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Expect.equals(map["foo"], 55);
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map.remove("foo");
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Expect.equals(map.length, 3);
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Expect.equals(map["foo"], null);
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map["foo"] = "bar";
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Expect.equals(map.length, 4);
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Expect.equals(map["foo"], "bar");
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map.clear();
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Expect.equals(map.length, 0);
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var b = 22;
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Expect.equals(
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22,
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{
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"a": 11,
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"b": b,
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}["b"]);
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// Make map grow. We currently don't have a way to construct
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// strings from an integer value, so we can't use a loop here.
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var m = new Map();
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Expect.equals(m.length, 0);
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m["1"] = 1;
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m["2"] = 2;
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m["3"] = 3;
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m["4"] = 4;
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m["5"] = 5;
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m["6"] = 6;
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m["7"] = 7;
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m["8"] = 8;
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m["9"] = 9;
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m["10"] = 10;
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m["11"] = 11;
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m["12"] = 12;
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m["13"] = 13;
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m["14"] = 14;
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m["15"] = 15;
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m["16"] = 16;
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Expect.equals(16, m.length);
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m.remove("1");
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m.remove("1"); // Remove element twice.
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m.remove("16");
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Expect.equals(14, m.length);
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// Check that last value of duplicate key wins for const maps.
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final cmap = const <String, num>{"a": 10, "b": 100, "a": 1000}; //# static type warning
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Expect.equals(2, cmap.length);
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Expect.equals(1000, cmap["a"]);
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Expect.equals(100, cmap["b"]);
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final cmap2 = const <String, num>{"a": 10, "a": 100, "a": 1000}; //# static type warning
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Expect.equals(1, cmap2.length);
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Expect.equals(1000, cmap["a"]);
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// Check that last value of duplicate key wins for mutable maps.
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var mmap = <String, num>{"a": 10, "b": 100, "a": 1000}; //# static type warning
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Expect.equals(2, mmap.length);
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Expect.equals(1000, mmap["a"]);
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Expect.equals(100, mmap["b"]);
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// Check that even if a key gets eliminated (the first "a"), all values
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// are still evaluated, including side effects.
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int counter = 0;
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int ctr() {
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counter += 10;
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return counter;
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}
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mmap = <String, num>{"a": ctr(), "b": ctr(), "a": ctr()}; //# static type warning
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Expect.equals(2, mmap.length);
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Expect.equals(40, ctr());
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Expect.equals(30, mmap["a"]);
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Expect.equals(20, mmap["b"]);
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Expect.equals(10, {"beta": 100, "alpha": 9 + 1}["alpha"]);
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Expect.equals(
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10,
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<String, Map>{
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"beta": {"delta": 10},
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"alpha": {"gamma": 10}
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}["alpha"]["gamma"]);
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// Map literals at beginning of statement.
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<String, num>{"pink": 100};
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const <String, num>{"floyd": 100};
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}
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}
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main() {
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MapLiteralTest.testMain();
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}
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