static void Test_LHI_Delete()
{
// TEST DATA:
// --------------------
// "keep it as simple as possible\r\n (head: 0, len:31)
// \n (head:32, len: 1)
// but\n (head:33, len: 4)
// \r (head:37, len: 1)
// not simpler."\r (head:38, len:14)
// \r (head:52, len: 1)
// - Albert Einstein (head:53, len:18)
// --------------------
const string TestData = "\"keep it as simple as possible\r\n\nbut\n\rnot simpler.\"\r\r - Albert Einstein";
TextBuffer text = new TextBuffer(1, 32);
SplitArray <int> lhi = new SplitArray <int>(1, 8);
SplitArray <LineDirtyState> lds = new SplitArray <LineDirtyState>(1, 8);
lds.Add(LineDirtyState.Clean);
// prepare
lhi.Add(0);
LineLogic.LHI_Insert(lhi, lds, text, TestData, 0);
text.Add(TestData.ToCharArray());
TestUtl.AssertEquals("0 32 33 37 38 52 53", lhi.ToString());
TestUtl.AssertEquals("DDDDDDD", MakeLdsText(lds));
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
//--- delete range in line ---
// valid range
LineLogic.LHI_Delete(lhi, lds, text, 2, 5);
text.RemoveRange(2, 5);
TestUtl.AssertEquals("0 29 30 34 35 49 50", lhi.ToString());
TestUtl.AssertEquals("DCCCCCC", MakeLdsText(lds));
// invalid range (before begin to middle)
try{ LineLogic.LHI_Delete(lhi, lds, text, -1, 5); throw new ApplicationException(); }
catch (Exception ex) { TestUtl.AssertType <AssertException>(ex); }
//--- delete range between different lines ---
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, TestData, 0);
text.Add(TestData.ToCharArray());
// "keep it as simple as possible\r\n (head: 0, len:31)
// \n (head:32, len: 1)
// but\n (head:33, len: 4)
// \r (head:37, len: 1)
// not simpler."\r (head:38, len:14)
// \r (head:52, len: 1)
// - Albert Einstein[EOF] (head:53, len:18)
// delete only one EOL code
//----
// "keep it as simple as possible\r\n (head: 0, len:31)
// but\n (head:32, len: 4)
// \r (head:36, len: 1)
// not simpler."\r (head:37, len:14)
// \r (head:51, len: 1)
// - Albert Einstein[EOF] (head:52, len:18)
//----
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 32, 33);
text.RemoveAt(32);
TestUtl.AssertEquals("0 32 36 37 51 52", lhi.ToString());
TestUtl.AssertEquals("CDCCCC", MakeLdsText(lds));
// delete middle of the first line to not EOF pos
//----
// "keep it as simple as not simpler."\r (head: 0, len:35)
// \r (head:36, len: 1)
// - Albert Einstein[EOF] (head:37, len:18)
//----
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 22, 37);
text.RemoveRange(22, 37);
TestUtl.AssertEquals("0 36 37", lhi.ToString());
TestUtl.AssertEquals("DCC", MakeLdsText(lds));
// delete all
//----
// [EOF] (head:0, len:0)
//----
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 0, 55);
text.RemoveRange(0, 55);
TestUtl.AssertEquals("0", lhi.ToString());
TestUtl.AssertEquals("D", MakeLdsText(lds));
//--- special care about CR+LF ---
// (1) deletion creates a new CR+LF
// (2) deletion breaks a CR+LF at the left side of the deletion range
// (3) deletion breaks a CR+LF at the left side of the deletion range
//--------------------------------
// (1)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "foo\rx\nbar", 0);
text.Add("foo\rx\nbar".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 4, 5);
text.RemoveRange(4, 5);
TestUtl.AssertEquals("0 5", lhi.ToString());
TestUtl.AssertEquals("DC", MakeLdsText(lds));
}
// (2)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "foo\r\nbar", 0);
text.Add("foo\r\nbar".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 4, 6);
text.RemoveRange(4, 6);
TestUtl.AssertEquals("0 4", lhi.ToString());
TestUtl.AssertEquals("DD", MakeLdsText(lds));
}
// (3)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "foo\r\nbar", 0);
text.Add("foo\r\nbar".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 2, 4);
text.RemoveRange(2, 4);
TestUtl.AssertEquals("0 3", lhi.ToString());
TestUtl.AssertEquals("DC", MakeLdsText(lds));
}
// (1)+(2)+(3)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "\r\nfoo\r\n", 0);
text.Add("\r\nfoo\r\n".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 1, 6);
text.RemoveRange(1, 6);
TestUtl.AssertEquals("0 2", lhi.ToString());
TestUtl.AssertEquals("DC", MakeLdsText(lds));
}
//--- misc ---
// insert "\n" after '\r' at end of document (boundary check for LHI_Insert)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "\r", 0);
text.Add("\r".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Insert(lhi, lds, text, "\n", 1);
text.Add("\n".ToCharArray());
TestUtl.AssertEquals("0 2", lhi.ToString());
TestUtl.AssertEquals("CD", MakeLdsText(lds));
}
// insert "\n" after '\r' at end of document (boundary check for LHI_Delete)
{
text.Clear(); lhi.Clear(); lhi.Add(0); lds.Clear(); lds.Add(LineDirtyState.Clean);
LineLogic.LHI_Insert(lhi, lds, text, "\r\n", 0);
text.Add("\r\n".ToCharArray());
for (int i = 0; i < lds.Count; i++)
{
lds[i] = LineDirtyState.Clean;
}
LineLogic.LHI_Delete(lhi, lds, text, 1, 2);
text.RemoveRange(1, 2);
TestUtl.AssertEquals("0 1", lhi.ToString());
TestUtl.AssertEquals("DD", MakeLdsText(lds));
}
}