128 lines
4.5 KiB
C#
128 lines
4.5 KiB
C#
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#define CONTRACTS_FULL
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#define DEBUG
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using NUnit.Framework;
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using MonoTests.System.Diagnostics.Contracts.Helpers;
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using System.Diagnostics.Contracts;
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namespace MonoTests.System.Diagnostics.Contracts {
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[TestFixture]
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public class ContractCollectionMethodsTest {
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/// <summary>
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/// Contract.Exists() determines that at least one element in the collection satisfies the predicate.
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/// </summary>
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[Test, RunAgainstReference]
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public void TestExistsInt ()
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{
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try {
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Contract.Exists (0, 10, null);
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Assert.Fail ("TestExistsInt() no exception #1");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestExistsInt() wrong exception #1");
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}
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try {
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Contract.Exists (10, 0, i => false);
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Assert.Fail ("TestExistsInt() no exception #2");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentException), ex, "TestExistsInt() wrong exception #2");
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}
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Assert.IsTrue (Contract.Exists (0, 10, i => i <= 0), "TestExistsInt() #1");
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Assert.IsTrue (Contract.Exists (0, 10, i => i >= 9), "TestExistsInt() #2");
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Assert.IsFalse (Contract.Exists (0, 10, i => i < 0), "TestExistsInt() #3");
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Assert.IsFalse (Contract.Exists (0, 10, i => i > 9), "TestExistsInt() #4");
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}
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/// <summary>
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/// Contract.Exists() determines that at least one element in the collection satisfies the predicate.
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/// </summary>
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[Test, RunAgainstReference]
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public void TestExistsEnumeration ()
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{
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try {
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Contract.Exists (Enumerable.Range (0, 10), null);
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Assert.Fail ("TestExistsEnumeration() no exception #1");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestExistsEnumeration() wrong exception #1");
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}
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try {
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Contract.Exists<int> (null, x => false);
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Assert.Fail ("TestExistsEnumeration() no exception #2");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestExistsEnumeration() wrong exception #2");
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}
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var en = Enumerable.Range (0, 10);
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Assert.IsTrue (Contract.Exists (en, i => i <= 0), "TestExistsEnumeration() #1");
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Assert.IsTrue (Contract.Exists (en, i => i >= 9), "TestExistsEnumeration() #2");
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Assert.IsFalse (Contract.Exists (en, i => i < 0), "TestExistsEnumeration() #3");
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Assert.IsFalse (Contract.Exists (en, i => i > 9), "TestExistsEnumeration() #4");
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}
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/// <summary>
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/// Contract.ForAll() determines if all elements in the collection satisfy the predicate.
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/// </summary>
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[Test, RunAgainstReference]
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public void TestForAllInt ()
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{
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try {
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Contract.ForAll (0, 10, null);
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Assert.Fail ("TestForAllInt() no exception #1");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestForAllInt() wrong exception #1");
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}
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try {
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Contract.ForAll (10, 0, i => false);
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Assert.Fail ("TestForAllInt() no exception #2");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentException), ex, "TestForAllInt() wrong exception #2");
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}
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Assert.IsTrue (Contract.ForAll (0, 10, i => i <= 9), "TestForAllInt() #1");
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Assert.IsTrue (Contract.ForAll (0, 10, i => i >= 0), "TestForAllInt() #2");
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Assert.IsFalse (Contract.ForAll (0, 10, i => i < 9), "TestForAllInt() #3");
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Assert.IsFalse (Contract.ForAll (0, 10, i => i > 0), "TestForAllInt() #4");
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}
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/// <summary>
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/// Contract.ForAll() determines if all elements in the collection satisfy the predicate.
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/// </summary>
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[Test, RunAgainstReference]
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public void TestForAllEnumeration ()
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{
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try {
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Contract.ForAll (Enumerable.Range (0, 10), null);
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Assert.Fail ("TestForAllEnumeration() no exception #1");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestForAllEnumeration() wrong exception #1");
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}
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try {
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Contract.ForAll<int> (null, x => false);
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Assert.Fail ("TestForAllEnumeration() no exception #2");
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} catch (Exception ex) {
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Assert.IsInstanceOfType (typeof (ArgumentNullException), ex, "TestForAllEnumeration() wrong exception #2");
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}
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var en = Enumerable.Range (0, 10);
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Assert.IsTrue (Contract.ForAll (en, i => i <= 9), "TestForAllEnumeration() #1");
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Assert.IsTrue (Contract.ForAll (en, i => i >= 0), "TestForAllEnumeration() #2");
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Assert.IsFalse (Contract.ForAll (en, i => i < 9), "TestForAllEnumeration() #3");
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Assert.IsFalse (Contract.ForAll (en, i => i > 0), "TestForAllEnumeration() #4");
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}
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}
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}
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