public void ToolTipBuffer_SetTextSameLength_Success(string sameLength)
{
using var buffer = new ToolTipBuffer();
buffer.SetText("text");
IntPtr memory1 = buffer.Buffer;
Assert.Equal("text", Marshal.PtrToStringUni(buffer.Buffer));
// Set longer.
buffer.SetText(sameLength);
IntPtr memory2 = buffer.Buffer;
Assert.Equal(memory1, memory2);
Assert.Equal(sameLength, Marshal.PtrToStringUni(memory2));
}
public void ToolTipBuffer_SetTextShorter_Success(string shorter, string expected)
{
using var buffer = new ToolTipBuffer();
buffer.SetText("text");
IntPtr memory1 = buffer.Buffer;
Assert.Equal("text", Marshal.PtrToStringUni(buffer.Buffer));
// Set longer.
buffer.SetText(shorter);
IntPtr memory2 = buffer.Buffer;
Assert.Equal(memory1, memory2);
Assert.Equal(expected, Marshal.PtrToStringUni(memory2));
}
public void ToolTipBuffer_SetTextLonger_Success(string longer)
{
using var buffer = new ToolTipBuffer();
buffer.SetText("text");
IntPtr memory1 = buffer.Buffer;
Assert.Equal("text", Marshal.PtrToStringUni(buffer.Buffer));
// Set longer.
buffer.SetText(longer);
IntPtr memory2 = buffer.Buffer;
Assert.NotEqual(IntPtr.Zero, memory2);
Assert.Equal(longer, Marshal.PtrToStringUni(memory2));
}
public void ToolTipBuffer_DisposeWithBuffer_Success()
{
using var buffer = new ToolTipBuffer();
buffer.SetText("text");
buffer.Dispose();
Assert.Equal(IntPtr.Zero, buffer.Buffer);
// Call again.
buffer.Dispose();
Assert.Equal(IntPtr.Zero, buffer.Buffer);
}
public void ToolTipBuffer_SetText_EmptyNoBuffer_Success(string empty)
{
var buffer = new ToolTipBuffer();
IntPtr memory1 = buffer.Buffer;
Assert.Null(Marshal.PtrToStringUni(memory1));
buffer.SetText(empty);
IntPtr memory2 = buffer.Buffer;
Assert.NotEqual(memory1, memory2);
Assert.Empty(Marshal.PtrToStringUni(memory2));
}
public void ToolTipBuffer_SetText_NoBuffer_Success()
{
var buffer = new ToolTipBuffer();
IntPtr memory1 = buffer.Buffer;
Assert.Null(Marshal.PtrToStringUni(memory1));
buffer.SetText("text");
IntPtr memory2 = buffer.Buffer;
Assert.NotEqual(memory1, memory2);
Assert.Equal("text", Marshal.PtrToStringUni(memory2));
}