public void IntelHexReader_NewlineBeforeStartCodeIsValid()
{
var reader = new IntelHexReader("\r\n\n\r");
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0);
reader.EndOfStream.Should().BeTrue();
}
public void IntelHexReader_CharsBeforeStartCodeAreIgnored()
{
var reader = new IntelHexReader("123abcqwe()$");
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0);
reader.EndOfStream.Should().BeTrue();
}
public void IntelHexReader_EmptyStreamIsValid()
{
var reader = new IntelHexReader("");
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0);
reader.EndOfStream.Should().BeTrue();
}
public void IntelHexReader_ParseExtendedSegmentAddress()
{
var record = new Record();
var reader = new IntelHexReader(":020000020102F9", record);
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0);
reader.CurrentAddress.Should().Be(0x01020);
}
public void IntelHexReader_ParseEndOfFileRecord()
{
var record = new Record();
var reader = new IntelHexReader(":00000001FF\r\n", record);
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0);
record.LineCompleted.Should().BeTrue();
}
public void IntelHexReader_MultipleSmallerReadsSpanningLines()
{
var record = new Record();
var reader = new IntelHexReader(
":20C0200031313131313100000300000000000000D90400002D2D2D2D2D424547494E204351\r\n" +
":20C04000455254494649434154452D2D2D2D2D0D0A4D49494457444343417636674177496F", record);
var data = new byte[13];
// Read 1
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(13);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x31, 0x31, 0x31, 0x31, 0x31,
0x31, 0x00, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00
});
// Read 2
bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(13);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x00, 0x00, 0x00, 0xD9, 0x04,
0x00, 0x00, 0x2D, 0x2D, 0x2D,
0x2D, 0x2D, 0x42
});
// Read 3
bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(13);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x45, 0x47, 0x49, 0x4E, 0x20,
0x43, 0x45, 0x52, 0x54, 0x49,
0x46, 0x49, 0x43
});
// Read 4
bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(13);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x41, 0x54, 0x45, 0x2D, 0x2D,
0x2D, 0x2D, 0x2D, 0x0D, 0x0A,
0x4D, 0x49, 0x49
});
// Read 4
bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(12);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x44, 0x57, 0x44, 0x43, 0x43,
0x41, 0x76, 0x36, 0x67, 0x41,
0x77, 0x49
});
}
public void IntelHexReader_ReadByteCountAddressAndRecordType()
{
var record = new Record();
var reader = new IntelHexReader(":12345678", record);
var data = new byte[40];
new Func <int>(() => reader.Read(data, 0, data.Length)).Should().Throw <FileFormatException>();
record.ByteCount.Should().Be(0x12);
reader.CurrentAddress.Should().Be(0x3456);
record.RecordType.Should().Be(0x78);
}
public void IntelHexReader_InvalidCharThrows()
{
var reader = new IntelHexReader("\n:x");
var data = new byte[40];
var func = new Func <int>(() => reader.Read(data, 0, data.Length));
var exAssert = func.Should().Throw <FileFormatException>();
var ex = exAssert.Subject.First();
ex.LineNumber.Should().Be(2);
ex.ColumnNumber.Should().Be(2);
}
public void IntelHexReader_NoFurtherRecordsAfterEndOfFile()
{
var record = new Record();
var reader = new IntelHexReader(":00000001FF\r\n :", record);
var data = new byte[40];
var func = new Func <int>(() => reader.Read(data, 0, data.Length));
var exAssert = func.Should().Throw <FileFormatException>();
var ex = exAssert.Subject.First();
ex.LineNumber.Should().Be(2);
ex.ColumnNumber.Should().Be(4);
}
public void IntelHexReader_ReadLessDataThanLineLength()
{
var record = new Record();
var reader = new IntelHexReader(":20C0200031313131313100000300000000000000D90400002D2D2D2D2D424547494E204351", record);
var data = new byte[10];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(10);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x31, 0x31, 0x31, 0x31, 0x31,
0x31, 0x00, 0x00, 0x03, 0x00
});
record.LineCompleted.Should().BeTrue();
}
public void IntelHexReader_ReadSameDataThanLineLength()
{
var record = new Record();
var reader = new IntelHexReader(":20C4E000697936614668306A7A49446438513D0D0A2D2D2D2D2D454E44204345525449469E", record);
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0x20);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x69, 0x79, 0x36, 0x61, 0x46, 0x68, 0x30, 0x6A,
0x7A, 0x49, 0x44, 0x64, 0x38, 0x51, 0x3D, 0x0D,
0x0A, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x45, 0x4E,
0x44, 0x20, 0x43, 0x45, 0x52, 0x54, 0x49, 0x46
});
record.LineCompleted.Should().BeTrue();
}
public void IntelHexReader_CheckExtendedSegmentAddress()
{
var record = new Record();
var reader = new IntelHexReader(
":020000020102F9\r\n" +
":020010001234A8\r\n" +
":02003000567800", record);
reader.Read().Should().Be(0x12);
reader.CurrentAddress.Should().Be(0x01031);
reader.Read().Should().Be(0x34);
reader.CurrentAddress.Should().Be(0x01032);
reader.Read().Should().Be(0x56);
reader.CurrentAddress.Should().Be(0x01051);
reader.Read().Should().Be(0x78);
reader.CurrentAddress.Should().Be(0x01052);
}
public void IntelHexReader_ReadMoreDataThanLineLength()
{
var record = new Record();
var reader = new IntelHexReader(
":20C0200031313131313100000300000000000000D90400002D2D2D2D2D424547494E204351\r\n" +
":20C04000455254494649434154452D2D2D2D2D0D0A4D49494457444343417636674177496F", record);
var data = new byte[40];
var bytesRead = reader.Read(data, 0, data.Length);
bytesRead.Should().Be(0x28);
data.Select(b => (int)b).Take(bytesRead).Should().Equal(new[] {
0x31, 0x31, 0x31, 0x31, 0x31, 0x31, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xD9, 0x04, 0x00, 0x00, 0x2D, 0x2D, 0x2D, 0x2D,
0x2D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x20, 0x43,
0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41
});
record.LineCompleted.Should().BeTrue();
}
