public void Resize_Should_Resize_Height_To_Expected()
{
var expectedHeight = 700;
var actualDimensions = ImageResizeUtility.ResizeHeightMaintainAspectRatio(new Dimensions(350, 2100), expectedHeight);
Assert.AreEqual(expectedHeight, actualDimensions.Height);
}
public void Resize_Should_Resize_Width_To_Expected()
{
var expectedWidth = 220;
var actualDimensions = ImageResizeUtility.ResizeWidthMaintainAspectRatio(new Dimensions(300, 122), 220);
Assert.AreEqual(expectedWidth, actualDimensions.Width);
}
public void Crop_Should_Start_Crop_At_NonZero_If_Original_Image_Is_Bigger()
{
const int originalLength = 300;
const int targetLength = 220;
var actualCropCoordinate = ImageResizeUtility.ReturnCentredCropCoordinate(originalLength, targetLength);
Assert.Greater(actualCropCoordinate, 0);
}
public void Crop_Should_Start_Crop_At_Zero_If_Original_Image_Is_Smaller()
{
const int originalLength = 100;
const int targetLength = 99;
var expectedCropCoordinate = 0;
var actualCropCoordinate = ImageResizeUtility.ReturnCentredCropCoordinate(originalLength, targetLength);
Assert.AreEqual(expectedCropCoordinate, actualCropCoordinate);
}
public void Resize_Should_Resize_Image_Height_According_To_Target_AspectRatio()
{
const int expectedHeight = 147;
var originalDimensions = new Dimensions(800, 150);
var targetDimensions = new Dimensions(220, expectedHeight);
var actualDimensions = ImageResizeUtility.ResizeToTargetAspectRatio(originalDimensions, targetDimensions);
Assert.AreEqual(actualDimensions.Height, expectedHeight);
}
public void Resize_Should_Resize_Image_Width_According_To_Target_AspectRatio()
{
const int expectedWidth = 200;
var originalDimensions = new Dimensions(1000, 400);
var targetDimensions = new Dimensions(expectedWidth, 100);
var actualDimensions = ImageResizeUtility.ResizeToTargetAspectRatio(originalDimensions, targetDimensions);
Assert.AreEqual(actualDimensions.Height, targetDimensions.Height);
Assert.Greater(actualDimensions.Width, expectedWidth);
}
public void Resize_Should_Maintain_AspectRatio_After_Height_Resize()
{
var expectedHeight = 700;
var originalHeight = 1400;
var originalWidth = 688;
var expectedAspectRatio = (float)originalWidth / (float)originalHeight;
var actualDimensions = ImageResizeUtility.ResizeHeightMaintainAspectRatio(new Dimensions(originalWidth, originalHeight), expectedHeight);
Assert.AreEqual(expectedAspectRatio, actualDimensions.AspectRatio);
}
public void Resize_Should_Maintain_AspectRatio_After_Width_Resize()
{
var expectedWidth = 220;
var originalHeight = 299;
var originalWidth = 214;
var expectedAspectRatio = (float)originalWidth / (float)originalHeight;
var actualDimensions = ImageResizeUtility.ResizeWidthMaintainAspectRatio(new Dimensions(originalWidth, originalHeight), expectedWidth);
Assert.AreEqual(expectedAspectRatio, actualDimensions.AspectRatio);
}