Module Name: src
Committed By: rillig
Date: Thu Feb 25 01:07:43 UTC 2021
Modified Files:
src/tests/lib/libcurses/tests: addbytes addch
Log Message:
tests/libcurses: add test for '\b' in addch
Just to ensure that addch and addstr behave the same, after the recent
fix for handling '\t'.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/tests/lib/libcurses/tests/addbytes
cvs rdiff -u -r1.7 -r1.8 src/tests/lib/libcurses/tests/addch
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/lib/libcurses/tests/addbytes
diff -u src/tests/lib/libcurses/tests/addbytes:1.3 src/tests/lib/libcurses/tests/addbytes:1.4
--- src/tests/lib/libcurses/tests/addbytes:1.3 Thu Feb 25 00:26:57 2021
+++ src/tests/lib/libcurses/tests/addbytes Thu Feb 25 01:07:43 2021
@@ -1,4 +1,4 @@
-# $NetBSD: addbytes,v 1.3 2021/02/25 00:26:57 rillig Exp $
+# $NetBSD: addbytes,v 1.4 2021/02/25 01:07:43 rillig Exp $
#
# Tests adding bytes to stdscr.
#
@@ -19,13 +19,15 @@ call2 0 16 getyx STDSCR
call OK addbytes "\n" 1
call2 1 0 getyx STDSCR
+# Ensure that backspace works as intended.
+# See tests/addch.
call OK addbytes "12345\010" 6
call2 1 4 getyx STDSCR
call OK addbytes "\010\010\010\010" 4
call2 1 0 getyx STDSCR
-# When curx is already 0, backspace is a no-op.
+# If curx is already 0, backspace is a no-op.
call OK addbytes "\010" 1
call2 1 0 getyx STDSCR
Index: src/tests/lib/libcurses/tests/addch
diff -u src/tests/lib/libcurses/tests/addch:1.7 src/tests/lib/libcurses/tests/addch:1.8
--- src/tests/lib/libcurses/tests/addch:1.7 Sun Feb 14 11:21:37 2021
+++ src/tests/lib/libcurses/tests/addch Thu Feb 25 01:07:43 2021
@@ -1,4 +1,4 @@
-# $NetBSD: addch,v 1.7 2021/02/14 11:21:37 rillig Exp $
+# $NetBSD: addch,v 1.8 2021/02/25 01:07:43 rillig Exp $
#
# Between at least 2012 and 2016, addstr did not advance win->curx for a '\t',
# but addch did. This was inconsistent.
@@ -33,3 +33,29 @@ call OK addch `\000\n`
call OK refresh
compare addch.chk
+
+# Ensure that backspace works as intended.
+# See tests/addbytes.
+call OK move 1 0
+call OK addstr "12345"
+call OK addch `\000\010`
+call2 1 4 getyx STDSCR
+
+call OK addch `\000\010`
+call OK addch `\000\010`
+call OK addch `\000\010`
+call OK addch `\000\010`
+call2 1 0 getyx STDSCR
+
+# If curx is already 0, backspace is a no-op.
+call OK addch `\000\010`
+call2 1 0 getyx STDSCR
+
+call OK addstr "123"
+call OK addch `\000\t`
+call2 1 8 getyx STDSCR
+
+# Backspace affects the cursor position, no matter whether the previously
+# output char was a tab or a space.
+call OK addch `\000\010`
+call2 1 7 getyx STDSCR
