public async Task Read_VariousTests()
{
var fs = TestHelpers.CreateDataTypesTestFileSystem();
/*
* Data size: 0x3
* Data offset: 0x2
* Base offset: 0x10
*/
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(0x2, 0x3);
await data.ReadAsync(file, 0x10, new NefsProgress());
var expected = new byte[] { 0x26, 0x25, 0x24 };
Assert.True(expected.SequenceEqual(data.Value));
}
/*
* Data size: 5
* Data offset: -4
* Base offset: 0x10
*/
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(-4, 5);
await data.ReadAsync(file, 0x10, new NefsProgress());
var expected = new byte[] { 0x14, 0x13, 0x12, 0x11, 0x28 };
Assert.True(expected.SequenceEqual(data.Value));
}
}
public async Task GetUInt32_ValidOffset_ValueReturned()
{
var fs = TestHelpers.CreateDataTypesTestFileSystem();
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(0, 6);
await data.ReadAsync(file, 0, new NefsProgress());
Assert.Equal((UInt32)0x03040506, data.GetUInt32(2));
}
}
public async Task GetUInt32_OffsetOutOfBounds_ArgumentOutOfRangeExceptionThrown()
{
var fs = TestHelpers.CreateDataTypesTestFileSystem();
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(0, 6);
await data.ReadAsync(file, 0, new NefsProgress());
// Offset is outside the bounds of the array
Assert.Throws <ArgumentOutOfRangeException>(() => data.GetUInt32(8));
}
}
public async Task GetUInt32_OffsetTwoBytesFromEnd_ArgumentOutOfRangeExceptionThrown()
{
var fs = TestHelpers.CreateDataTypesTestFileSystem();
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(0, 6);
await data.ReadAsync(file, 0, new NefsProgress());
// Offset is 2 bytes away from end of array
Assert.Throws <ArgumentOutOfRangeException>(() => data.GetUInt32(4));
}
}
public async Task GetBytes_DataRead_DataReturned()
{
var fs = TestHelpers.CreateDataTypesTestFileSystem();
using (var file = fs.File.OpenRead(TestHelpers.DataTypesTestFilePath))
{
var data = new ByteArrayType(0, 6);
await data.ReadAsync(file, 0, new NefsProgress());
var expected = new byte[] { 0x08, 0x07, 0x06, 0x05, 0x04, 0x03 };
Assert.True(expected.SequenceEqual(data.GetBytes()));
}
}