tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

all Exif tests which write and load images are now testing png and jpg

af/merge-core
popow 8 years ago
parent
08797b1031
commit
7841776e2f
1 changed files with 48 additions and 25 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 73
      tests/ImageSharp.Tests/MetaData/Profiles/Exif/ExifProfileTests.cs

73
tests/ImageSharp.Tests/MetaData/Profiles/Exif/ExifProfileTests.cs
View File

@ -18,6 +18,12 @@ namespace SixLabors.ImageSharp.Tests
{
public class ExifProfileTests
{
public enum TestImageWriteFormat
{
Jpeg,
Png
}
private static readonly Dictionary<ExifTag, object> TestProfileValues = new Dictionary<ExifTag, object>()
{
{ ExifTag.Software, "Software" },
@ -28,8 +34,10 @@ namespace SixLabors.ImageSharp.Tests
{ ExifTag.ExposureTime, new Rational(1.0 / 1600.0) },
};
[Fact]
public void Constructor()
[Theory]
[InlineData(TestImageWriteFormat.Jpeg)]
[InlineData(TestImageWriteFormat.Png)]
public void Constructor(TestImageWriteFormat imageFormat)
{
Image<Rgba32> image = TestFile.Create(TestImages.Jpeg.Baseline.Calliphora).CreateImage();
@ -38,7 +46,7 @@ namespace SixLabors.ImageSharp.Tests
image.MetaData.ExifProfile = new ExifProfile();
image.MetaData.ExifProfile.SetValue(ExifTag.Copyright, "Dirk Lemstra");
image = WriteAndReadJpeg(image);
image = WriteAndRead(image, imageFormat);
Assert.NotNull(image.MetaData.ExifProfile);
Assert.Equal(1, image.MetaData.ExifProfile.Values.Count());
@ -70,8 +78,10 @@ namespace SixLabors.ImageSharp.Tests
TestProfile(clone);
}
[Fact]
public void WriteFraction()
[Theory]
[InlineData(TestImageWriteFormat.Jpeg)]
[InlineData(TestImageWriteFormat.Png)]
public void WriteFraction(TestImageWriteFormat imageFormat)
{
using (var memStream = new MemoryStream())
{
@ -84,10 +94,7 @@ namespace SixLabors.ImageSharp.Tests
var image = new Image<Rgba32>(1, 1);
image.MetaData.ExifProfile = profile;
image.SaveAsJpeg(memStream);
memStream.Position = 0;
image = Image.Load<Rgba32>(memStream);
image = WriteAndRead(image, imageFormat);
profile = image.MetaData.ExifProfile;
Assert.NotNull(profile);
@ -102,10 +109,7 @@ namespace SixLabors.ImageSharp.Tests
profile.SetValue(ExifTag.ExposureTime, new Rational(exposureTime, true));
image.MetaData.ExifProfile = profile;
image.SaveAsJpeg(memStream);
memStream.Position = 0;
image = Image.Load<Rgba32>(memStream);
image = WriteAndRead(image, imageFormat);
profile = image.MetaData.ExifProfile;
Assert.NotNull(profile);
@ -115,8 +119,10 @@ namespace SixLabors.ImageSharp.Tests
}
}
[Fact]
public void ReadWriteInfinity()
[Theory]
[InlineData(TestImageWriteFormat.Jpeg)]
[InlineData(TestImageWriteFormat.Png)]
public void ReadWriteInfinity(TestImageWriteFormat imageFormat)
{
Image<Rgba32> image = TestFile.Create(TestImages.Jpeg.Baseline.Floorplan).CreateImage();
image.MetaData.ExifProfile.SetValue(ExifTag.ExposureBiasValue, new SignedRational(double.PositiveInfinity));
@ -128,21 +134,23 @@ namespace SixLabors.ImageSharp.Tests
image.MetaData.ExifProfile.SetValue(ExifTag.ExposureBiasValue, new SignedRational(double.NegativeInfinity));
image = WriteAndReadJpeg(image);
image = WriteAndRead(image, imageFormat);
value = image.MetaData.ExifProfile.GetValue(ExifTag.ExposureBiasValue);
Assert.NotNull(value);
Assert.Equal(new SignedRational(double.NegativeInfinity), value.Value);
image.MetaData.ExifProfile.SetValue(ExifTag.FlashEnergy, new Rational(double.NegativeInfinity));
image = WriteAndReadJpeg(image);
image = WriteAndRead(image, imageFormat);
value = image.MetaData.ExifProfile.GetValue(ExifTag.FlashEnergy);
Assert.NotNull(value);
Assert.Equal(new Rational(double.PositiveInfinity), value.Value);
}
[Fact]
public void SetValue()
[Theory]
[InlineData(TestImageWriteFormat.Jpeg)]
[InlineData(TestImageWriteFormat.Png)]
public void SetValue(TestImageWriteFormat imageFormat)
{
var latitude = new Rational[] { new Rational(12.3), new Rational(4.56), new Rational(789.0) };
@ -182,7 +190,7 @@ namespace SixLabors.ImageSharp.Tests
value = image.MetaData.ExifProfile.GetValue(ExifTag.GPSLatitude);
TestValue(value, latitude);
image = WriteAndReadJpeg(image);
image = WriteAndRead(image, imageFormat);
Assert.NotNull(image.MetaData.ExifProfile);
Assert.Equal(17, image.MetaData.ExifProfile.Values.Count());
@ -204,7 +212,7 @@ namespace SixLabors.ImageSharp.Tests
image.MetaData.ExifProfile.Parts = ExifParts.ExifTags;
image = WriteAndReadJpeg(image);
image = WriteAndRead(image, imageFormat);
Assert.NotNull(image.MetaData.ExifProfile);
Assert.Equal(8, image.MetaData.ExifProfile.Values.Count());
@ -319,8 +327,10 @@ namespace SixLabors.ImageSharp.Tests
Assert.Equal(495, bytes.Length);
}
[Fact]
public void TestWritingPngPreservesExifProfile()
[Theory]
[InlineData(TestImageWriteFormat.Jpeg)]
[InlineData(TestImageWriteFormat.Png)]
public void TestWritingImagePreservesExifProfile(TestImageWriteFormat imageFormat)
{
// arrange
var image = new Image<Rgba32>(1, 1);
@ -328,7 +338,7 @@ namespace SixLabors.ImageSharp.Tests
image.MetaData.ExifProfile = expected;
// act
Image<Rgba32> reloadedImage = WriteAndReadPng(image);
Image<Rgba32> reloadedImage = WriteAndRead(image, imageFormat);
// assert
ExifProfile actual = reloadedImage.MetaData.ExifProfile;
@ -353,7 +363,7 @@ namespace SixLabors.ImageSharp.Tests
return profile;
}
private static ExifProfile GetExifProfile()
internal static ExifProfile GetExifProfile()
{
Image<Rgba32> image = TestFile.Create(TestImages.Jpeg.Baseline.Floorplan).CreateImage();
@ -363,6 +373,19 @@ namespace SixLabors.ImageSharp.Tests
return profile;
}
private static Image<Rgba32> WriteAndRead(Image<Rgba32> image, TestImageWriteFormat imageFormat)
{
switch(imageFormat)
{
case TestImageWriteFormat.Jpeg:
return WriteAndReadJpeg(image);
case TestImageWriteFormat.Png:
return WriteAndReadPng(image);
default:
throw new ArgumentException("unexpected test image format, only Jpeg and Png are allowed");
}
}
private static Image<Rgba32> WriteAndReadJpeg(Image<Rgba32> image)
{
using (var memStream = new MemoryStream())

Write Preview
Loading…
Cancel
Save