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[console] Add failing test for adding to full 1-line buffer

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I've decided that appending to a full single-line buffer should simply
scroll through the existing text. Unsurprisingly, the existing code
doesn't handle the situation all that well. While I've already got a fix
for it, I think I've got a better idea that will handle full buffers
more gracefully.
This commit is contained in:
Bill Currie 2022-09-17 15:31:52 +09:00
parent c8c1d2e642
commit 5e8d18a774
1 changed files with 29 additions and 0 deletions
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29
libs/console/test/test-buffer.c
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@ -96,6 +96,35 @@ test_2 (void)
goto fail;
}
// add a single char at the end of the full buffer the buffer should
// just effectively scroll through the text as chars are added (via
// the single line object maintaining constant length but updating its
// text pointer)
Con_BufferAddText (con, "N");
if (con->num_lines != 1) {
printf ("con_buffer num_lines incorrect: %d\n", con->num_lines);
goto fail;
}
if (con->cur_line != 0) {
printf ("con_buffer cur_line incorrect: %d\n", con->cur_line);
goto fail;
}
if (con->lines[con->cur_line].text != con->buffer + 1) {
printf ("con_buffer cur_line.text incorrect: %p, %p\n",
con->lines[con->cur_line].text, con->buffer + 1);
goto fail;
}
if (con->lines[con->cur_line].len != 1024) {
printf ("con_buffer cur_line.line incorrect: %zd\n",
con->lines[con->cur_line].len);
goto fail;
}
if (memcmp (con->buffer + 1, text + 1024 + 1, 1024 - 1)
|| con->buffer[0] != 'N') {
printf ("con_buffer incorrect\n");
goto fail;
}
ret = 0;
fail:
if (ret) {