public async Task ShiftUpByLessThanView()
{
Assert.AreEqual(-4.1, await screenBuffer.ShiftBy(-4.1, cancel), 1e-3);
VerifyMessages(screenBuffer,
@"3-ln_9
4-ln_0
4-ln_1
4-ln_2
4-ln_3
4-ln_4
4-ln_5", 0.1);
}
public async Task ShiftDownHasNoEffect()
{
Assert.AreEqual(0d, await screenBuffer.ShiftBy(7, cancel), 1e-3);
VerifyMessages(screenBuffer,
@"13-ln_0
14-ln_0
15-ln_0
16-ln_0
17-ln_0
18-ln_0
19-ln_0", 0.2);
}
public async Task SwitchPreservesTopLineIndex()
{
await screenBuffer.ShiftBy(1.1, cancel);
VerifyMessages(screenBuffer,
@"0-ln_1
1-ln_0
1-ln_1
2-ln_0", 0.1);
await screenBuffer.SetDisplayTextGetter(MessageTextGetters.RawTextGetter, cancel);
VerifyMessages(screenBuffer,
@"0-rln_1
0-rln_2
1-rln_0
1-rln_1", 0.1, verifyRaw: true);
await screenBuffer.SetDisplayTextGetter(MessageTextGetters.SummaryTextGetter, cancel);
VerifyMessages(screenBuffer,
@"0-ln_1
1-ln_0
1-ln_1
2-ln_0", 0.1);
}
