public void TestNormalCase()
{
SampleFrameDisplayerImpl displayer
= new SampleFrameDisplayerImpl(mockDrawer.Object, 10, 3);
ushort[] samples = new ushort[21];
for(int i = 0; i < 21; i++)
{
samples[i] = (ushort)(i * 2);
}
displayer.SetNumSamplesToDisplay(11);
mockDrawer.Setup(x => x.getCanvasWidth()).Returns(31);
displayer.DisplaySampleFrameFromStartIndex(10, 21, samples);
List<LineCoordinates> expectedLines = new List<LineCoordinates>();
// Test that all of the expected lines got called to be drawn
for(int i = 0; i < 10; i++)
{
int expX1 = i * 3;
int expY1 = samples[i + 10];
int expX2 = i * 3 + 3;
int expY2 = samples[i + 11];
LineCoordinates expectedLine = CreateLineCoordinates(expX1, expY1, expX2, expY2);
expectedLines.Add(expectedLine);
}
// The canvas should be cleared every time before drawing
mockDrawer.Verify(x => x.drawLinesOnOscope(It.Is<List<LineCoordinates>>(
lines => ListOfLineCoordinatesStructsEqual(lines, expectedLines))), Times.Once);
}
public MainWindow()
{
InitializeComponent();
Array.ForEach<string>(SerialPort.GetPortNames(), name => this.COM_port_comboBox.Items.Add(name));
// Initialize PSOC sample receiving chain.
OscopeWindowClient oscopeWindowClient
= new OscopeWindowClientImpl(this.oscope_window_canvas, this, (int)this.oscope_window_canvas.Width);
SampleFrameDisplayer sampleFrameDisplayer = new SampleFrameDisplayerImpl(oscopeWindowClient, this);
SampleFrameReceiver sampleFrameReceiver = new RisingEdgeTriggeringFrameReceiver(sampleFrameDisplayer, this);
SampleFrameAssembler sampleFrameAssembler = new SampleFrameAssemblerImpl(sampleFrameReceiver);
SampleAssembler sampleAssembler = new HighByteFirstSampleAssemblerImpl(sampleFrameAssembler, this);
ByteReceiverImpl byteReceiver = new ByteReceiverImpl(sampleAssembler, sampleFrameAssembler);
serialPortClient = new SerialPortClient(byteReceiver, this);
byteReceiver.PsocReadyEvent += PSOC_ready;
TriggerLevelChangedEvent(this, new TriggerLevelChangedEventArgs(100));
TriggerScanLengthChangedEvent(this, new TriggerScanLengthChangedEventArgs(300));
TriggerScanStartChangedEvent(this, new TriggerScanStartIndexChangedEventArgs(0));
TriggerRelativeDisplayStartChangedEvent(this, new TriggerRelativeDisplayStartChangedEventArgs(0));
SampleSpacingChangedEvent(this, new SampleSpacingChangedEventArgs(10));
NumSamplesToDisplayChangedEvent(this, new NumSamplesToDisplayChangedEventArgs(300));
OscopeHeightChangedEvent(this, new OscopeHeightChangedEventArgs(
(int)this.oscope_window_canvas.Height));
OscopeWidthChangedEvent(this, new OscopeWidthChangedEventArgs(
(int)this.oscope_window_canvas.Width));
MaxSampleSizeChangedEvent(this, new MaxSampleSizeChangedEventArgs(
4095));
SampleScalerChangedEvent(this, new SampleScalerChangedEventArgs(
1));
SampleOffsetChangedEvent(this, new SampleOffsetChangedEventArgs(
0.0));
}
public void testNumSamplesAvailableLessThanNumSamplesToDisplay()
{
Mock<OscopeWindowClient> mockDrawer = new Mock<OscopeWindowClient>();
SampleFrameDisplayerImpl displayer
= new SampleFrameDisplayerImpl(mockDrawer.Object, 10, 3);
ushort[] samples = new ushort[21];
for (int i = 0; i < 21; i++)
{
samples[i] = (ushort)(i * 2);
}
displayer.SetNumSamplesToDisplay(11);
mockDrawer.Setup(x => x.getCanvasWidth()).Returns(20);
// calling display samples with a start of 11 and 21 total, so 10 samples available.
displayer.DisplaySampleFrameFromStartIndex(11, 21, samples);
}
public void TestSpacingOfTwo()
{
Mock<OscopeWindowClient> mockDrawer = new Mock<OscopeWindowClient>();
SampleFrameDisplayerImpl displayer
= new SampleFrameDisplayerImpl(mockDrawer.Object, 10, 2);
ushort[] samples = new ushort[] { 0, 1, 2, 3 };
displayer.SetNumSamplesToDisplay(3);
mockDrawer.Setup(x => x.getCanvasWidth()).Returns(4);
displayer.DisplaySampleFrameFromStartIndex(1, 4, samples);
List<LineCoordinates> expLines = new List<LineCoordinates>();
expLines.Add(CreateLineCoordinates(0, 1, 2, 2));
expLines.Add(CreateLineCoordinates(2, 2, 4, 3));
mockDrawer.Verify(x => x.drawLinesOnOscope(It.Is<List<LineCoordinates>>
(lines => ListOfLineCoordinatesStructsEqual(lines, expLines)))
, Times.Once);
}
public void testSpacingTimesNumSamplesToDisplayNotEnoughToCoverCanvas()
{
Mock<OscopeWindowClient> mockDrawer = new Mock<OscopeWindowClient>();
SampleFrameDisplayerImpl displayer
= new SampleFrameDisplayerImpl(mockDrawer.Object, 10, 3);
ushort[] samples = new ushort[21];
for (int i = 0; i < 21; i++)
{
samples[i] = (ushort)(i * 2);
}
displayer.SetNumSamplesToDisplay(11);
// Setting canvas width to 17. The line beginning at 15 and going to 18 should
// still be drawn though.
mockDrawer.Setup(x => x.getCanvasWidth()).Returns(32);
displayer.DisplaySampleFrameFromStartIndex(10, 21, samples);
}
public void testSpacingTimesNumSamplesToDisplayGreatherThanCanvasWidth()
{
Mock<OscopeWindowClient> mockDrawer = new Mock<OscopeWindowClient>();
SampleFrameDisplayerImpl displayer
= new SampleFrameDisplayerImpl(mockDrawer.Object, 10, 3);
ushort[] samples = new ushort[21];
for (int i = 0; i < 21; i++)
{
samples[i] = (ushort)(i * 2);
}
displayer.SetNumSamplesToDisplay(11);
// Setting canvas width to 17. The line beginning at 15 and going to 18 should
// still be drawn though.
mockDrawer.Setup(x => x.getCanvasWidth()).Returns(17);
displayer.DisplaySampleFrameFromStartIndex(10, 21, samples);
// The canvas should be cleared every time before drawing
List<LineCoordinates> expLines = new List<LineCoordinates>();
// Test that all of the expected lines got called to be drawn
for (int i = 0; i < 6; i++)
{
int expX1 = i * 3;
int expY1 = samples[i + 10];
int expX2 = i * 3 + 3;
int expY2 = samples[i + 11];
expLines.Add(CreateLineCoordinates(expX1, expY1, expX2, expY2));
}
mockDrawer.Verify(x => x.drawLinesOnOscope(It.Is<List<LineCoordinates>>
(lines => ListOfLineCoordinatesStructsEqual(lines, expLines)))
, Times.Once);
}