patch 8.1.0003: the :compiler command is not tested
Problem: The :compiler command is not tested.
Solution: Add a test. (Dominique Pelle, closes #2930)
diff --git a/src/testdir/test_compiler.vim b/src/testdir/test_compiler.vim
new file mode 100644
index 0000000..fd3510d
--- /dev/null
+++ b/src/testdir/test_compiler.vim
@@ -0,0 +1,50 @@
+" Test the :compiler command
+
+func Test_compiler()
+ if !executable('perl')
+ return
+ endif
+
+ e Xfoo.pl
+ compiler perl
+ call assert_equal('perl', b:current_compiler)
+ call assert_fails('let g:current_compiler', 'E121:')
+
+ call setline(1, ['#!/usr/bin/perl -w', 'use strict;', 'my $foo=1'])
+ w!
+ call feedkeys(":make\<CR>\<CR>", 'tx')
+ call assert_fails('clist', 'E42:')
+
+ call setline(1, ['#!/usr/bin/perl -w', 'use strict;', '$foo=1'])
+ w!
+ call feedkeys(":make\<CR>\<CR>", 'tx')
+ let a=execute('clist')
+ call assert_equal("\n 1 Xfoo.pl:3: Global symbol \"\$foo\" "
+ \ . "requires explicit package name "
+ \ . "(did you forget to declare \"my $foo\"?)", a)
+
+ call delete('Xfoo.pl')
+ bw!
+endfunc
+
+func Test_compiler_without_arg()
+ let a=split(execute('compiler'))
+ call assert_equal($VIMRUNTIME . '/compiler/ant.vim', a[0])
+ call assert_equal($VIMRUNTIME . '/compiler/bcc.vim', a[1])
+ call assert_equal($VIMRUNTIME . '/compiler/xmlwf.vim', a[-1])
+endfunc
+
+func Test_compiler_completion()
+ call feedkeys(":compiler \<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_match('^"compiler ant bcc .* xmlwf$', @:)
+
+ call feedkeys(":compiler p\<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_equal('"compiler pbx perl php pylint pyunit', @:)
+
+ call feedkeys(":compiler! p\<C-A>\<C-B>\"\<CR>", 'tx')
+ call assert_equal('"compiler! pbx perl php pylint pyunit', @:)
+endfunc
+
+func Test_compiler_error()
+ call assert_fails('compiler doesnotexist', 'E666:')
+endfunc