--- /dev/null
+Before:
+ Save g:ale_c_parse_makefile
+ Save g:ale_history_enabled
+
+ let g:ale_c_parse_makefile = 0
+ let g:ale_history_enabled = 0
+
+ let g:get_cflags_return_value = ''
+ let g:executable_map = {}
+
+ runtime autoload/ale/c.vim
+ runtime autoload/ale/engine.vim
+
+ function! ale#engine#IsExecutable(buffer, executable) abort
+ return has_key(g:executable_map, a:executable)
+ endfunction
+
+ function! ale#c#GetCFlags(buffer, output) abort
+ return g:get_cflags_return_value
+ endfunction
+
+ call ale#assert#SetUpLinterTest('c', 'cc')
+
+ let b:command_tail = ' -S -x c'
+ \ . ' -o ' . (has('win32') ? 'nul': '/dev/null')
+ \ . ' -iquote %s:h'
+ \ . ' -std=c11 -Wall -'
+
+After:
+ unlet! g:get_cflags_return_value
+ unlet! g:executable_map
+ unlet! b:command_tail
+
+ runtime autoload/ale/c.vim
+ runtime autoload/ale/engine.vim
+
+ call ale#assert#TearDownLinterTest()
+
+Execute(clang should be used instead of gcc, if available):
+ let g:executable_map = {'clang': 1}
+
+ AssertLinter 'clang', [ale#Escape('clang') . b:command_tail]
+
+Execute(The executable should be configurable):
+ AssertLinter 'gcc', [ale#Escape('gcc') . b:command_tail]
+
+ let b:ale_c_cc_executable = 'foobar'
+
+ AssertLinter 'foobar', [ale#Escape('foobar') . b:command_tail]
+
+Execute(The -std flag should be replaced by parsed C flags):
+ let b:command_tail = substitute(b:command_tail, 'c11', 'c99 ', '')
+ let g:get_cflags_return_value = '-std=c99'
+
+ AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
+
+Execute(gcc should not use -x c-header with header files by default):
+ call ale#test#SetFilename('../test-files/c/makefile_project/subdir/test.h')
+
+ AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
+
+Execute(clang should use -x c-header with header files by default):
+ let g:executable_map = {'clang': 1}
+ let b:command_tail = substitute(b:command_tail, '-x c', '-x c-header', '')
+
+ call ale#test#SetFilename('../test-files/c/makefile_project/subdir/test.h')
+
+ AssertLinter 'clang', ale#Escape('clang') . b:command_tail
+
+Execute(gcc should use -x c-header with header files if configured to do so):
+ let b:ale_c_cc_use_header_lang_flag = 1
+ let b:command_tail = substitute(b:command_tail, '-x c', '-x c-header', '')
+
+ call ale#test#SetFilename('../test-files/c/makefile_project/subdir/test.h')
+
+ AssertLinter 'gcc', ale#Escape('gcc') . b:command_tail
+
+Execute(clang should not use -x c-header with header files if configured to do so):
+ let g:executable_map = {'clang': 1}
+ let b:ale_c_cc_use_header_lang_flag = 0
+
+ call ale#test#SetFilename('../test-files/c/makefile_project/subdir/test.h')
+
+ AssertLinter 'clang', ale#Escape('clang') . b:command_tail
+
+Execute(The header file extensions should be configurable):
+ let g:executable_map = {'clang': 1}
+ let b:command_tail = substitute(b:command_tail, '-x c', '-x c-header', '')
+
+ call ale#assert#SetUpLinterTest('c', 'cc')
+ let b:ale_c_cc_header_exts = ['json']
+ call ale#test#SetFilename('../test-files/c/json_project/build/compile_commands.json')
+
+ AssertLinter 'clang', ale#Escape('clang') . b:command_tail