vim-patch:9.0.1791: No tests for the termdebug plugin

Problem:  No tests for the termdebug plugin
Solution: Add some simple tests for the termdebug plugin

closes: vim/vim#12927

https://github.com/vim/vim/commit/58f39d89a8adff51ab04893d1fd28e3767979f9f

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

3 files changed, 97 insertions, 1 deletions

diff --git a/.github/scripts/install_deps.sh b/.github/scripts/install_deps.sh
index 0533bd7fae..9a782e9698 100755
--- a/.github/scripts/install_deps.sh
+++ b/.github/scripts/install_deps.sh
@@ -30,7 +30,7 @@ if [[ $os == Linux ]]; then
   fi
 
   if [[ -n $TEST ]]; then
-    sudo apt-get install -y locales-all cpanminus attr libattr1-dev
+    sudo apt-get install -y locales-all cpanminus attr libattr1-dev gdb
   fi
 elif [[ $os == Darwin ]]; then
   brew update --quiet
diff --git a/test/old/testdir/setup.vim b/test/old/testdir/setup.vim
index b0c2a15a3f..7546b342e6 100644
--- a/test/old/testdir/setup.vim
+++ b/test/old/testdir/setup.vim
@@ -58,6 +58,11 @@ func Ntest_setmouse(row, col)
   endif
 endfunc
 
+" roughly equivalent to term_wait() in Vim
+func Nterm_wait(buf, time = 10)
+  execute $'sleep {a:time}m'
+endfunc
+
 " Prevent Nvim log from writing to stderr.
 let $NVIM_LOG_FILE = exists($NVIM_LOG_FILE) ? $NVIM_LOG_FILE : 'Xnvim.log'
 
diff --git a/test/old/testdir/test_termdebug.vim b/test/old/testdir/test_termdebug.vim
new file mode 100644
index 0000000000..4dca1a20fa
--- /dev/null
+++ b/test/old/testdir/test_termdebug.vim
@@ -0,0 +1,91 @@
+" Test for the termdebug plugin
+
+source check.vim
+
+CheckUnix
+" CheckFeature terminal
+CheckExecutable gdb
+CheckExecutable gcc
+
+let g:GDB = exepath('gdb')
+if g:GDB->empty()
+  throw 'Skpped: gdb is not found in $PATH'
+endif
+
+let g:GCC = exepath('gcc')
+if g:GCC->empty()
+  throw 'Skpped: gcc is not found in $PATH'
+endif
+
+packadd termdebug
+
+func Test_termdebug_basic()
+  let lines =<< trim END
+    #include <stdio.h>
+    #include <stdlib.h>
+
+    int isprime(int n)
+    {
+      if (n <= 1)
+        return 0;
+
+      for (int i = 2; i <= n / 2; i++)
+        if (n % i == 0)
+          return 0;
+
+      return 1;
+    }
+
+    int main(int argc, char *argv[])
+    {
+      int n = 7;
+
+      printf("%d is %s prime\n", n, isprime(n) ? "a" : "not a");
+
+      return 0;
+    }
+  END
+  call writefile(lines, 'XTD_basic.c', 'D')
+  call system($'{g:GCC} -g -o XTD_basic XTD_basic.c')
+
+  edit XTD_basic.c
+  Termdebug ./XTD_basic
+  call assert_equal(3, winnr('$'))
+  let gdb_buf = winbufnr(1)
+  wincmd b
+  Break 9
+  call Nterm_wait(gdb_buf)
+  redraw!
+  call assert_equal([
+        \ {'lnum': 9, 'id': 1014, 'name': 'debugBreakpoint1.0',
+        \  'priority': 110, 'group': 'TermDebug'}],
+        \ sign_getplaced('', #{group: 'TermDebug'})[0].signs)
+  Run
+  call Nterm_wait(gdb_buf, 200)
+  redraw!
+  call assert_equal([
+        \ {'lnum': 9, 'id': 12, 'name': 'debugPC', 'priority': 110,
+        \  'group': 'TermDebug'},
+        \ {'lnum': 9, 'id': 1014, 'name': 'debugBreakpoint1.0',
+        \  'priority': 110, 'group': 'TermDebug'}],
+        \ sign_getplaced('', #{group: 'TermDebug'})[0].signs)
+  Finish
+  call Nterm_wait(gdb_buf)
+  redraw!
+  call assert_equal([
+        \ {'lnum': 9, 'id': 1014, 'name': 'debugBreakpoint1.0',
+        \  'priority': 110, 'group': 'TermDebug'},
+        \ {'lnum': 20, 'id': 12, 'name': 'debugPC',
+        \  'priority': 110, 'group': 'TermDebug'}],
+        \ sign_getplaced('', #{group: 'TermDebug'})[0].signs)
+  Continue
+  wincmd t
+  quit!
+  redraw!
+  call assert_equal([], sign_getplaced('', #{group: 'TermDebug'})[0].signs)
+
+  call delete('XTD_basic')
+  %bw!
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab