patch 8.1.1544: some balloon tests don't run when they can
Problem: Some balloon tests don't run when they can.
Solution: Split GUI balloon tests off into a separate file. (Ozaki Kiichi,
closes #4538) Change the feature check into a command for
consistency.
diff --git a/src/testdir/check.vim b/src/testdir/check.vim
new file mode 100644
index 0000000..7f37f1c
--- /dev/null
+++ b/src/testdir/check.vim
@@ -0,0 +1,23 @@
+" Command to check for the presence of a feature.
+command -nargs=1 CheckFeature call CheckFeature(<f-args>)
+func CheckFeature(name)
+ if !has(a:name)
+ throw 'Skipped: ' .. a:name .. ' feature missing'
+ endif
+endfunc
+
+" Command to check for the presence of a working option.
+command -nargs=1 CheckOption call CheckOption(<f-args>)
+func CheckOption(name)
+ if !exists('+' .. a:name)
+ throw 'Skipped: ' .. a:name .. ' option not supported'
+ endif
+endfunc
+
+" Command to check for the presence of a function.
+command -nargs=1 CheckFunction call CheckFunction(<f-args>)
+func CheckFunction(name)
+ if !exists('*' .. a:name)
+ throw 'Skipped: ' .. a:name .. ' function missing'
+ endif
+endfunc