public void ExpectedAndActualAreUsedInMessage()
{
string expectedMessage =
"Message" + Environment.NewLine +
"Expected: 2" + Environment.NewLine +
"Actual: 1";
AssertActualExpectedException ex =
new AssertActualExpectedException(2, 1, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void ArraysShowDifferencePoint()
{
int[] actualValue = new int[] { 1, 2, 3, 4, 5 };
int[] expectedValue = new int[] { 1, 2, 5, 7, 9 };
string expectedMessage =
"Message" + Environment.NewLine +
"Position: First difference is at position 2" + Environment.NewLine +
"Expected: System.Int32[] { 1, 2, 5, 7, 9 }" + Environment.NewLine +
"Actual: System.Int32[] { 1, 2, 3, 4, 5 }";
AssertActualExpectedException ex =
new AssertActualExpectedException(expectedValue, actualValue, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void ExpectedValueWrapsForMultiline()
{
string expectedMessage =
"Message" + Environment.NewLine +
"Position: First difference is at position 0" + Environment.NewLine +
"Expected: line 1" + Environment.NewLine +
" line 2" + Environment.NewLine +
"Actual: actual";
AssertActualExpectedException ex =
new AssertActualExpectedException(
"line 1" + Environment.NewLine + "line 2",
"actual",
"Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void OneStringOneNullDoesNotShowDifferencePoint()
{
string actualValue = null;
string expectedValue = "first test 1";
string expectedMessage =
"Message" + Environment.NewLine +
"Expected: first test 1" + Environment.NewLine +
"Actual: (null)";
AssertActualExpectedException ex =
new AssertActualExpectedException(expectedValue, actualValue, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void OneStringAddsValueToEndOfTheOtherString()
{
string actualValue = "first test";
string expectedValue = "first test 1";
string expectedMessage =
"Message" + Environment.NewLine +
"Position: First difference is at position 10" + Environment.NewLine +
"Expected: first test 1" + Environment.NewLine +
"Actual: first test";
AssertActualExpectedException ex =
new AssertActualExpectedException(expectedValue, actualValue, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void DifferentVisibleValueDifferentTypes()
{
string expectedMessage =
"Message" + Environment.NewLine +
"Expected: 2" + Environment.NewLine +
"Actual: 1";
AssertActualExpectedException ex =
new AssertActualExpectedException("2", 1, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void SameVisibleValueDifferentTypes()
{
string expectedMessage =
"Message" + Environment.NewLine +
"Expected: 1 (System.String)" + Environment.NewLine +
"Actual: 1 (System.Int32)";
AssertActualExpectedException ex =
new AssertActualExpectedException("1", 1, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void StringsDifferInTheMiddle()
{
string actualValue = "first test";
string expectedValue = "first failure";
string expectedMessage =
"Message" + Environment.NewLine +
"Position: First difference is at position 6" + Environment.NewLine +
"Expected: first failure" + Environment.NewLine +
"Actual: first test";
AssertActualExpectedException ex =
new AssertActualExpectedException(expectedValue, actualValue, "Message");
Assert.Equal(expectedMessage, ex.Message);
}
public void PreservesExpectedAndActual()
{
AssertActualExpectedException ex =
new AssertActualExpectedException(2, 1, null);
Assert.Equal("1", ex.Actual);
Assert.Equal("2", ex.Expected);
Assert.Null(ex.UserMessage);
}
