public void Add_ReturnsTrue_WhenItemAddedFirstTime <T>(T value)
{
// Arrange
ConcurrentHashset <T> set = new ConcurrentHashset <T>();
// Act
bool actual = set.Add(value);
// Assert
Assert.True(actual);
}
public void Add_ReturnsFalse_WhenItemAlreadyPresent <T>(T value)
{
// Arrange
ConcurrentHashset <T> set = new ConcurrentHashset <T>();
// Act
set.Add(value);
bool actual = set.Add(value);
// Assert
Assert.False(actual);
}
public void Add_ReturnsFalse_WhenItemAlreadyPresentUsingCustomComparer()
{
// Arrange
ConcurrentHashset <string> set = new ConcurrentHashset <string>(StringComparer.OrdinalIgnoreCase);
// Act
bool first = set.Add("value");
bool second = set.Add("VaLue");
// Assert
Assert.True(first);
Assert.False(second);
}