public void ExifSignedRationalArrayTests(ExifTag tag)
{
SignedRational[] expected = new[] { new SignedRational(21, 42) };
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifSignedRationalArray)value;
Assert.Equal(expected, typed.Value);
}
public void ExifUndefinedArrayTests(ExifTag tag)
{
byte[] expected = new[] { byte.MaxValue };
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifByteArray)value;
Assert.Equal(expected, typed.Value);
}
public void ExifStringTests(ExifTag tag)
{
const string expected = "ImageSharp";
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(0M));
Assert.True(value.TrySetValue(expected));
var typed = (ExifString)value;
Assert.Equal(expected, typed.Value);
}
public void ExifNumberArrayTests(ExifTag tag)
{
Number[] expected = new[] { new Number(uint.MaxValue) };
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifNumberArray)value;
Assert.Equal(expected, typed.Value);
}
public void ExifShortArrayTests(ExifTag tag)
{
ushort[] expected = new[] { ushort.MaxValue };
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifShortArray)value;
Assert.Equal(expected, typed.Value);
}
public void ExifLongTests(ExifTag tag)
{
const uint expected = uint.MaxValue;
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifLong)value;
Assert.Equal(expected, typed.Value);
}
public void ExifUndefinedTests(ExifTag tag)
{
const byte expected = byte.MaxValue;
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue((int)expected));
Assert.True(value.TrySetValue(expected));
var typed = (ExifByte)value;
Assert.Equal(expected, typed.Value);
}
public void ExifRationalTests(ExifTag tag)
{
var expected = new Rational(21, 42);
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(new SignedRational(expected.ToDouble())));
Assert.True(value.TrySetValue(expected));
var typed = (ExifRational)value;
Assert.Equal(expected, typed.Value);
}
public void ExifShortTests(ExifTag tag)
{
const ushort expected = (ushort)short.MaxValue;
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue((int)expected));
Assert.True(value.TrySetValue((short)expected));
Assert.True(value.TrySetValue(expected));
var typed = (ExifShort)value;
Assert.Equal(expected, typed.Value);
}
public void ExifNumberTests(ExifTag tag)
{
Number expected = ushort.MaxValue;
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue((uint)expected));
Assert.True(value.TrySetValue((int)expected));
Assert.True(value.TrySetValue(expected));
var typed = (ExifNumber)value;
Assert.Equal(expected, typed.Value);
}
public void ExifUcs2StringTests(ExifTag tag)
{
const string expected = "Dan Petitt";
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(123));
Assert.True(value.TrySetValue(expected));
var typed = (ExifUcs2String)value;
Assert.Equal(expected, typed.Value);
Assert.True(value.TrySetValue(Encoding.GetEncoding("UCS-2").GetBytes(expected)));
Assert.Equal(expected, typed.Value);
}
public void ExifNumberArrayTests(ExifTag tag)
{
Number[] expected = new[] { new Number(uint.MaxValue) };
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(expected.ToString()));
Assert.True(value.TrySetValue(expected));
var typed = (ExifNumberArray)value;
Assert.Equal(expected, typed.Value);
Assert.True(value.TrySetValue(int.MaxValue));
Assert.Equal(new[] { (Number)int.MaxValue }, value.GetValue());
Assert.True(value.TrySetValue(new[] { 1u, 2u, 5u }));
Assert.Equal(new[] { (Number)1u, (Number)2u, (Number)5u }, value.GetValue());
Assert.True(value.TrySetValue(new[] { (short)1, (short)2, (short)5 }));
Assert.Equal(new[] { (Number)(short)1, (Number)(short)2, (Number)(short)5 }, value.GetValue());
}
public void ExifEncodedStringTests(ExifTag tag)
{
foreach (object code in Enum.GetValues(typeof(EncodedString.CharacterCode)))
{
var charCode = (EncodedString.CharacterCode)code;
Assert.Equal(ExifEncodedStringHelpers.CharacterCodeBytesLength, ExifEncodedStringHelpers.GetCodeBytes(charCode).Length);
const string expectedText = "test string";
var expected = new EncodedString(charCode, expectedText);
ExifValue value = ExifValues.Create(tag);
Assert.False(value.TrySetValue(123));
Assert.True(value.TrySetValue(expected));
var typed = (ExifEncodedString)value;
Assert.Equal(expected, typed.Value);
Assert.Equal(expectedText, (string)typed.Value);
Assert.Equal(charCode, typed.Value.Code);
}
}
