public void TestGetCombinedDictionaryNonEmpty()
{
// Case 1: Dictionaries have mutually exclusive sets of keys.
var firstDictionary = new Dictionary <string, string> {
{ "a", "A" }, { "b", "B" }
};
var secondDictionary = new Dictionary <string, string> {
{ "c", "C" }, { "d", "D" }
};
var firstAndSecondDictionary = HttpRequestHelper.GetCombinedDictionary(secondDictionary, firstDictionary);
Assert.AreEqual(new Dictionary <string, string> {
{ "a", "A" }, { "b", "B" }, { "c", "C" }, { "d", "D" }
},
firstAndSecondDictionary);
// Case 2: Dictionaries share keys. Keys in the second dictionary override keys in the first.
var thirdDictionary = new Dictionary <string, string> {
{ "a", "1" }, { "b", "2" }
};
var fourthDictionary = new Dictionary <string, string> {
{ "b", "3" }, { "c", "4" }
};
var thirdAndFourthDictionary = HttpRequestHelper.GetCombinedDictionary(thirdDictionary, fourthDictionary);
Assert.AreEqual(new Dictionary <string, string> {
{ "a", "1" }, { "b", "3" }, { "c", "4" }
},
thirdAndFourthDictionary);
}
public void TestGetCombinedDictionaryNullOrEmpty()
{
var emptyDictionary = new Dictionary <string, string>();
var nonEmptyDictionary = new Dictionary <string, string> {
{ "a", "b" }
};
// Case 1: Null dictionaries
Assert.AreEqual(nonEmptyDictionary, HttpRequestHelper.GetCombinedDictionary(nonEmptyDictionary, null));
Assert.AreEqual(nonEmptyDictionary, HttpRequestHelper.GetCombinedDictionary(null, nonEmptyDictionary));
Assert.AreEqual(emptyDictionary, HttpRequestHelper.GetCombinedDictionary(null, null));
// Case 2 : Empty Dictionaries
Assert.AreEqual(emptyDictionary, HttpRequestHelper.GetCombinedDictionary(emptyDictionary, emptyDictionary));
Assert.AreEqual(nonEmptyDictionary, HttpRequestHelper.GetCombinedDictionary(emptyDictionary, nonEmptyDictionary));
Assert.AreEqual(nonEmptyDictionary, HttpRequestHelper.GetCombinedDictionary(nonEmptyDictionary, emptyDictionary));
}