48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using System;
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namespace SemiColinGames.Tests {
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[TestClass]
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public class HistoryTests {
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[TestMethod]
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public void TestLength() {
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var h = new History<int>(3);
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Assert.AreEqual(3, h.Length);
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}
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[TestMethod]
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public void TestGetFromEmpty() {
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var ints = new History<int>(3);
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Assert.AreEqual(0, ints[0]);
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Assert.AreEqual(0, ints[1]);
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Assert.AreEqual(0, ints[2]);
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var objects = new History<Object>(1);
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Assert.AreEqual(null, objects[0]);
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}
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[TestMethod]
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public void TestAdds() {
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var h = new History<int>(3);
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Assert.AreEqual("0 0 0", String.Format("{0} {1} {2}", h[0], h[1], h[2]));
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h.Add(2);
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Assert.AreEqual("2 0 0", String.Format("{0} {1} {2}", h[0], h[1], h[2]));
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h.Add(3);
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h.Add(5);
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Assert.AreEqual("5 3 2", String.Format("{0} {1} {2}", h[0], h[1], h[2]));
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h.Add(7);
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Assert.AreEqual("7 5 3", String.Format("{0} {1} {2}", h[0], h[1], h[2]));
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h.Add(11);
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h.Add(13);
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Assert.AreEqual("13 11 7", String.Format("{0} {1} {2}", h[0], h[1], h[2]));
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}
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[TestMethod]
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public void TestThrowsExceptions() {
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var h = new History<int>(3);
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Assert.ThrowsException<IndexOutOfRangeException>(() => h[-1]);
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Assert.ThrowsException<IndexOutOfRangeException>(() => h[3]);
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}
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}
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}
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