patch 8.1.1502: cannot play any sound
Problem: Cannot play any sound.
Solution: Use libcanberra if available. Add sound functions.
diff --git a/src/testdir/test_sound.vim b/src/testdir/test_sound.vim
new file mode 100644
index 0000000..54c6a29
--- /dev/null
+++ b/src/testdir/test_sound.vim
@@ -0,0 +1,45 @@
+" Tests for the sound feature
+
+if !has('sound')
+ throw 'Skipped: sound feature not available'
+endif
+
+func PlayCallback(id, result)
+ let g:id = a:id
+ let g:result = a:result
+endfunc
+
+func Test_play_event()
+ let id = sound_playevent('bell', 'PlayCallback')
+ if id == 0
+ throw 'Skipped: bell event not available'
+ endif
+ " Stop it quickly, avoid annoying the user.
+ sleep 20m
+ call sound_stop(id)
+ sleep 20m
+ call assert_equal(id, g:id)
+ call assert_equal(1, g:result) " sound was aborted
+endfunc
+
+func Test_play_silent()
+ let fname = fnamemodify('silent.wav', '%p')
+
+ " play without callback
+ let id1 = sound_playfile(fname)
+ call assert_true(id1 > 0)
+
+ " play until the end
+ let id2 = sound_playfile(fname, 'PlayCallback')
+ call assert_true(id2 > 0)
+ sleep 500m
+ call assert_equal(id2, g:id)
+ call assert_equal(0, g:result)
+
+ let id2 = sound_playfile(fname, 'PlayCallback')
+ call assert_true(id2 > 0)
+ sleep 20m
+ call sound_stopall()
+ call assert_equal(id2, g:id)
+ call assert_equal(1, g:result)
+endfunc