public void Set_NullSettingValue_Removes()
{
// arrange
var memorySettings = new MemorySettings();
// act
memorySettings.Set("String Setting", "Value 1");
memorySettings.Set("String Setting", (string)null);
var retrieved = memorySettings.Get("String Setting", out string actualValue);
// assert
Assert.False(retrieved);
}
public void Set_EmptySettingValue_ReturnSame()
{
// arrange
var memorySettings = new MemorySettings();
var expectedValue = string.Empty;
// act
memorySettings.Set("String Setting", "Value 1");
memorySettings.Set("String Setting", expectedValue);
var retrieved = memorySettings.Get("String Setting", out string actualValue);
// assert
Assert.True(retrieved);
Assert.Equal(expectedValue, actualValue);
}
public void Set_MultipleSettings_ReturnsSame()
{
// arrange
var memorySettings = new MemorySettings();
var expectedValueA = "Cat";
var expectedValueB = "Dog";
var expectedValueC = "Bird";
var settings = new[]
{
new KeyValuePair <string, string>("Setting A", expectedValueA),
new KeyValuePair <string, string>("Setting B", expectedValueB),
new KeyValuePair <string, string>("Setting C", expectedValueC)
};
// act
memorySettings.Set(settings);
var retrievedA = memorySettings.Get("Setting A", out string actualValueA);
var retrievedB = memorySettings.Get("Setting B", out string actualValueB);
var retrievedC = memorySettings.Get("Setting C", out string actualValueC);
// assert
Assert.True(retrievedA);
Assert.Equal(expectedValueA, actualValueA);
Assert.True(retrievedB);
Assert.Equal(expectedValueB, actualValueB);
Assert.True(retrievedC);
Assert.Equal(expectedValueC, actualValueC);
}
public void Set_NullSettingName_ThrowsException()
{
// arrange
var memorySettings = new MemorySettings();
var expected = default(bool);
// act
Action actual = () => memorySettings.Set(null, "some setting value");
// assert
Assert.Throws <ArgumentNullException>(actual);
}
public void Set_IntegerNumber_ReturnsSame(string setting, int expected)
{
// arrange
var memorySettings = new MemorySettings();
// act
memorySettings.Set(setting, expected);
var retrieved = memorySettings.Get(setting, out int actual);
// assert
Assert.True(retrieved);
Assert.Equal(expected, actual);
}
public void Get_DoubleNumber_ReturnsSame()
{
// arrange
var memorySettings = new MemorySettings();
var expected = Math.PI;
// act
memorySettings.Set("PI", expected);
var retrieved = memorySettings.Get("PI", out double actual);
// assert
Assert.True(retrieved);
Assert.Equal(expected, actual);
}