public static void TryGetValue_KeyExistsInTaggedList_AssignSexpToValueOutParameter()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair<string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair<string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair<string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual1;
Sexp actual2;
Sexp actual3;
var expected1 = Sexp.Make(1);
var expected2 = Sexp.Make(2);
var expected3 = Sexp.Make(3);
// Act
list.TryGetValue("foo", out actual1);
list.TryGetValue("bar", out actual2);
list.TryGetValue("baz", out actual3);
// Assert
Assert.Equal(expected1, actual1, EqualityComparer<Sexp>.Default);
Assert.Equal(expected2, actual2, EqualityComparer<Sexp>.Default);
Assert.Equal(expected3, actual3, EqualityComparer<Sexp>.Default);
}
public static void TryGetValue_KeyExistsInTaggedList_AssignSexpToValueOutParameter()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair <string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair <string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair <string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual1;
Sexp actual2;
Sexp actual3;
var expected1 = Sexp.Make(1);
var expected2 = Sexp.Make(2);
var expected3 = Sexp.Make(3);
// Act
list.TryGetValue("foo", out actual1);
list.TryGetValue("bar", out actual2);
list.TryGetValue("baz", out actual3);
// Assert
Assert.Equal(expected1, actual1, EqualityComparer <Sexp> .Default);
Assert.Equal(expected2, actual2, EqualityComparer <Sexp> .Default);
Assert.Equal(expected3, actual3, EqualityComparer <Sexp> .Default);
}
public static void TryGetValue_KeyDoesNotExistInTaggedList_ReturnsFalse()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair<string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair<string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair<string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual;
// Act
var found1 = list.TryGetValue("Foo", out actual);
var found2 = list.TryGetValue("???", out actual);
var found3 = list.TryGetValue(string.Empty, out actual);
// Assert
Assert.False(found1);
Assert.False(found2);
Assert.False(found3);
}
public static void TryGetValue_KeyExistsInTaggedList_ReturnsTrue()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair <string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair <string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair <string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual;
// Act
var found1 = list.TryGetValue("foo", out actual);
var found2 = list.TryGetValue("bar", out actual);
var found3 = list.TryGetValue("baz", out actual);
// Assert
Assert.True(found1);
Assert.True(found2);
Assert.True(found3);
}
public static void TryGetValue_KeyDoesNotExistsInTaggedList_AssignNullToValueOutParameter()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair<string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair<string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair<string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual1;
Sexp actual2;
Sexp actual3;
// Act
list.TryGetValue("Foo", out actual1);
list.TryGetValue("???", out actual2);
list.TryGetValue(string.Empty, out actual3);
// Assert
Assert.Null(actual1);
Assert.Null(actual2);
Assert.Null(actual3);
}
public static void TryGetValue_KeyDoesNotExistsInTaggedList_AssignNullToValueOutParameter()
{
// Arrange
var list = new SexpTaggedList
{
new KeyValuePair <string, Sexp>("foo", Sexp.Make(1)),
new KeyValuePair <string, Sexp>("bar", Sexp.Make(2)),
new KeyValuePair <string, Sexp>("baz", Sexp.Make(3)),
};
Sexp actual1;
Sexp actual2;
Sexp actual3;
// Act
list.TryGetValue("Foo", out actual1);
list.TryGetValue("???", out actual2);
list.TryGetValue(string.Empty, out actual3);
// Assert
Assert.Null(actual1);
Assert.Null(actual2);
Assert.Null(actual3);
}
