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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Collections.Generic;
using System.Web.WebPages.Scope;
using Xunit;
namespace System.Web.WebPages.Test
{
public class ScopeStorageDictionaryTest
{
[Fact]
public void ScopeStorageDictionaryLooksUpLocalValuesFirst()
{
// Arrange
var stateStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.Equal(stateStorage["f"], "f2");
}
[Fact]
public void ScopeStorageDictionaryOverridesParentValuesWithLocalValues()
{
// Arrange
var stateStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.Equal(stateStorage["a"], "a2");
Assert.Equal(stateStorage["d"], "d2");
}
[Fact]
public void ScopeStorageDictionaryLooksUpParentValuesWhenNotFoundLocally()
{
// Arrange
var stateStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.Equal(stateStorage["c"], "c0");
Assert.Equal(stateStorage["b"], "b1");
}
[Fact]
public void ScopeStorageDictionaryTreatsNullAsOrdinaryValues()
{
// Arrange
var stateStorage = GetChainedStorageStateDictionary();
stateStorage["b"] = null;
// Act and Assert
Assert.Null(stateStorage["b"]);
}
[Fact]
public void ContainsKeyReturnsTrueIfItContainsKey()
{
// Arrange
var scopeStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.True(scopeStorage.ContainsKey("f"));
}
[Fact]
public void ContainsKeyReturnsTrueIfBaseContainsKey()
{
// Arrange
var scopeStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.True(scopeStorage.ContainsKey("e"));
}
[Fact]
public void ContainsKeyReturnsFalseIfItDoesNotContainKeyAndBaseIsNull()
{
// Arrange
var scopeStorage = new ScopeStorageDictionary() { { "foo", "bar" } };
// Act and Assert
Assert.False(scopeStorage.ContainsKey("baz"));
}
[Fact]
public void CountReturnsCountFromCurrentAndBaseScope()
{
// Arrange
var scopeStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.Equal(6, scopeStorage.Count);
}
[Fact]
public void ScopeStorageDictionaryGetsValuesFromCurrentAndBaseScope()
{
// Arrange
var scopeStorage = GetChainedStorageStateDictionary();
// Act and Assert
Assert.Equal(scopeStorage["a"], "a2");
Assert.Equal(scopeStorage["b"], "b1");
Assert.Equal(scopeStorage["c"], "c0");
Assert.Equal(scopeStorage["d"], "d2");
Assert.Equal(scopeStorage["e"], "e1");
Assert.Equal(scopeStorage["f"], "f2");
}
[Fact]
public void ClearRemovesAllItemsFromCurrentScope()
{
// Arrange
var dictionary = new ScopeStorageDictionary { { "foo", "bar" }, { "foo2", "bar2" } };
// Act
dictionary.Clear();
// Assert
Assert.Equal(0, dictionary.Count);
}
[Fact]
public void ScopeStorageDictionaryIsNotReadOnly()
{
// Arrange
var dictionary = new ScopeStorageDictionary();
// Act and Assert
Assert.False(dictionary.IsReadOnly);
}
[Fact]
public void CopyToCopiesItemsToArrayAtSpecifiedIndex()
{
// Arrange
var dictionary = GetChainedStorageStateDictionary();
var array = new KeyValuePair<object, object>[8];
// Act
dictionary.CopyTo(array, 2);
// Assert
Assert.Equal(array[2].Key, "a");
Assert.Equal(array[2].Value, "a2");
Assert.Equal(array[4].Key, "f");
Assert.Equal(array[4].Value, "f2");
Assert.Equal(array[7].Key, "c");
Assert.Equal(array[7].Value, "c0");
}
private ScopeStorageDictionary GetChainedStorageStateDictionary()
{
var root = new ScopeStorageDictionary();
root["a"] = "a0";
root["b"] = "b0";
root["c"] = "c0";
var firstGen = new ScopeStorageDictionary(baseScope: root);
firstGen["a"] = "a1";
firstGen["b"] = "b1";
firstGen["d"] = "d1";
firstGen["e"] = "e1";
var secondGen = new ScopeStorageDictionary(baseScope: firstGen);
secondGen["a"] = "a2";
secondGen["d"] = "d2";
secondGen["f"] = "f2";
return secondGen;
}
}
}
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