Before:
  Save g:ale_c_parse_makefile

  call ale#test#SetDirectory('/testplugin/test')

  let g:ale_c_parse_makefile = 1

After:
  Restore

  call ale#test#RestoreDirectory()

Execute(The CFlags parser should be able to parse include directives):
  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')

  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir')),
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -Isubdir -c file.c'])

  AssertEqual
  \ '-isystem ' . '/usr/include/dir',
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -isystem /usr/include/dir -c file.c'])

Execute(ParseCFlags should ignore -c and -o):
  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')

  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir')),
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -Isubdir -c file.c -o a.out'])

Execute(The CFlags parser should be able to parse macro directives):
  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')

  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' -DTEST=1',
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -Isubdir -DTEST=1 -c file.c'])

Execute(The CFlags parser should be able to parse macro directives with spaces):
  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')

  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' -DTEST=$(( 2 * 4 ))',
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -Isubdir -DTEST=$(( 2 * 4 )) -c file.c'])

Execute(The CFlags parser should be able to parse shell directives with spaces):
  call ale#test#SetFilename('test_c_projects/makefile_project/subdir/file.c')

  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   .  ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlagsFromMakeOutput(bufnr(''), ['gcc -Isubdir -DTEST=`date +%s` -c file.c'])

Execute(ParseCFlags should be able to parse flags with relative paths):
  AssertEqual
  \ '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Isubdir  '
  \     .  '-I'. ale#path#Simplify('kernel/include')
  \     .  ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should be able to parse -Dgoal):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Isubdir '
  \     . '-I'. ale#path#Simplify('kernel/include')
  \     . ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should ignore -T and other arguments):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '--sysroot=subdir'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir --sysroot=subdir '
  \     .  '-I'. ale#path#Simplify('kernel/include')
  \     .  ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should handle paths with spaces in double quotes):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . '-I"dir with spaces"' . ' -I'. ale#path#Simplify('kernel/include')
  \     . ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should handle paths with spaces in single quotes):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . '-I''dir with spaces''' . ' -I'. ale#path#Simplify('kernel/include')
  \     . ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should handle paths with minuses):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir-with-dash'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . '-I''dir with spaces''' . ' -Idir-with-dash'
  \     . ' -I'. ale#path#Simplify('kernel/include')
  \     . ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should handle -D with minuses):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' -Dmacro-with-dash'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir-with-dash'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include'))
  \   . ' -DTEST=`date +%s`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . '-Dmacro-with-dash '
  \     . '-I''dir with spaces''' . ' -Idir-with-dash'
  \     . ' -I'. ale#path#Simplify('kernel/include')
  \     . ' -DTEST=`date +%s` -c file.c'
  \ )

Execute(ParseCFlags should handle flags at the end of the line):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' -Dmacro-with-dash'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir-with-dash'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include')),
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . '-Dmacro-with-dash '
  \     . '-I''dir with spaces''' . ' -Idir-with-dash'
  \     . ' -I'. ale#path#Simplify('kernel/include')
  \ )

Execute(FlagsFromCompileCommands should tolerate empty values):
  AssertEqual '', ale#c#FlagsFromCompileCommands(bufnr(''), '')

Execute(ParseCompileCommandsFlags should tolerate empty values):
  AssertEqual '', ale#c#ParseCompileCommandsFlags(bufnr(''), {}, {})

Execute(ParseCompileCommandsFlags should parse some basic flags):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'))

  AssertEqual
  \ '-I ' . ale#path#Simplify('/usr/include/xmms2'),
  \ ale#c#ParseCompileCommandsFlags(bufnr(''), { "xmms2-mpris.c": [
  \   {
  \     'directory': ale#path#Simplify('/foo/bar/xmms2-mpris'),
  \     'command': '/usr/bin/cc  -I' . ale#path#Simplify('/usr/include/xmms2')
  \       . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \       . '   -c ' . ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
  \     'file': ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
  \   },
  \ ] }, {})

Execute(ParseCompileCommandsFlags should tolerate items without commands):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'))

  AssertEqual
  \ '',
  \ ale#c#ParseCompileCommandsFlags(bufnr(''), { "xmms2-mpris.c": [
  \   {
  \     'directory': '/foo/bar/xmms2-mpris',
  \     'file': '/foo/bar/xmms2-mpris/src/xmms2-mpris.c',
  \   },
  \ ] }, {})

Execute(ParseCompileCommandsFlags should fall back to files in the same directory):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'))

  AssertEqual
  \ '-I ' . ale#path#Simplify('/usr/include/xmms2'),
  \ ale#c#ParseCompileCommandsFlags(bufnr(''), {}, { "src": [
  \   {
  \     'directory': ale#path#Simplify('/foo/bar/xmms2-mpris'),
  \     'command': '/usr/bin/cc  -I' . ale#path#Simplify('/usr/include/xmms2')
  \       . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \       . '   -c ' . ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.c'),
  \     'file': ale#path#Simplify((has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-other.c'),
  \   },
  \ ] })

Execute(ParseCompileCommandsFlags should take commands from matching .c files for .h files):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.h'))

  AssertEqual
  \ '-I /usr/include/xmms2',
  \ ale#c#ParseCompileCommandsFlags(
  \   bufnr(''),
  \   {
  \     'xmms2-mpris.c': [
  \       {
  \         'directory': '/foo/bar/xmms2-mpris',
  \         'file': (has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-mpris.c',
  \         'command': '/usr/bin/cc  -I' . '/usr/include/xmms2'
  \         . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \         . '   -c ' . '/foo/bar/xmms2-mpris/src/xmms2-mpris.c',
  \       },
  \     ],
  \   },
  \   {
  \   },
  \ )

Execute(ParseCompileCommandsFlags should take commands from matching .cpp files for .hpp files):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.hpp'))

  AssertEqual
  \ '-I /usr/include/xmms2',
  \ ale#c#ParseCompileCommandsFlags(
  \   bufnr(''),
  \   {
  \     'xmms2-mpris.cpp': [
  \       {
  \         'directory': '/foo/bar/xmms2-mpris',
  \         'file': (has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-mpris.cpp',
  \         'command': '/usr/bin/cc  -I' . '/usr/include/xmms2'
  \         . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \         . '   -c ' . '/foo/bar/xmms2-mpris/src/xmms2-mpris.cpp',
  \       },
  \     ],
  \   },
  \   {
  \   },
  \ )

Execute(ParseCompileCommandsFlags should take commands from matching .cpp files for .h files):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/xmms2-mpris.h'))

  AssertEqual
  \ '-I /usr/include/xmms2',
  \ ale#c#ParseCompileCommandsFlags(
  \   bufnr(''),
  \   {
  \     'xmms2-mpris.cpp': [
  \       {
  \         'directory': '/foo/bar/xmms2-mpris',
  \         'file': (has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-mpris.cpp',
  \         'command': '/usr/bin/cc  -I' . '/usr/include/xmms2'
  \         . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \         . '   -c ' . '/foo/bar/xmms2-mpris/src/xmms2-mpris.cpp',
  \       },
  \     ],
  \   },
  \   {
  \   },
  \ )

Execute(ParseCompileCommandsFlags should not take commands from .c files for .h files with different names):
  silent noautocmd execute 'file! ' . fnameescape(ale#path#Simplify('/foo/bar/xmms2-mpris/src/other.h'))

  AssertEqual
  \ '',
  \ ale#c#ParseCompileCommandsFlags(
  \   bufnr(''),
  \   {
  \     'xmms2-mpris.c': [
  \       {
  \         'directory': '/foo/bar/xmms2-mpris',
  \         'file': (has('win32') ? 'C:' : '') . '/foo/bar/xmms2-mpris/src/xmms2-mpris.c',
  \         'command': '/usr/bin/cc  -I' . '/usr/include/xmms2'
  \         . '    -o CMakeFiles/xmms2-mpris.dir/src/xmms2-mpris.c.o'
  \         . '   -c ' . '/foo/bar/xmms2-mpris/src/xmms2-mpris.c',
  \       },
  \     ],
  \   },
  \   {
  \   },
  \ )

Execute(ParseCFlags should not merge flags):
  AssertEqual
  \ '-Dgoal=9'
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/subdir'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir with spaces'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/dir-with-dash'))
  \   . ' ' . '-I' . ' ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/kernel/include')),
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla -Isubdir '
  \     . 'subdir/somedep1.o ' . 'subdir/somedep2.o '
  \     . '-I''dir with spaces''' . ' -Idir-with-dash '
  \     . 'subdir/somedep3.o ' . 'subdir/somedep4.o '
  \     . ' -I'. ale#path#Simplify('kernel/include') . ' '
  \     . 'subdir/somedep5.o ' . 'subdir/somedep6.o '
  \ )

Execute(ParseCFlags should handle parenthesis and quotes):
  AssertEqual
  \ '-Dgoal=9 -Dtest1="('' '')" -Dtest2=''(` `)'' -Dtest3=`(" ")`',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Dgoal=9 -Tlinkerfile.ld blabla '
  \     . '-Dtest1="('' '')" file1.o '
  \     . '-Dtest2=''(` `)'' file2.o '
  \     . '-Dtest3=`(" ")` file3.o '
  \ )

Execute(CFlags we want to pass):
  AssertEqual
  \ '-I ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/inc'))
  \ . ' -I ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/include'))
  \ . ' -iquote ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/incquote'))
  \ . ' -isystem ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/incsystem'))
  \ . ' -idirafter ' . ale#Escape(ale#path#Simplify(g:dir. '/test_c_projects/makefile_project/incafter'))
  \ . ' -Dmacro=value -D macro2 -Bbdir -B bdir2'
  \ . ' -iprefix prefix -iwithprefix prefix2 -iwithprefixbefore prefix3'
  \ . ' -isysroot sysroot --sysroot=test --no-sysroot-suffix -imultilib multidir'
  \ . ' -Wsome-warning -std=c89 -pedantic -pedantic-errors -ansi'
  \ . ' -foption -O2 -C -CC -trigraphs -nostdinc -nostdinc++'
  \ . ' -iplugindir=dir -march=native -w',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc'
  \ . ' -Iinc -I include -iquote incquote -isystem incsystem -idirafter incafter'
  \ . ' -Dmacro=value -D macro2 -Bbdir -B bdir2'
  \ . ' -iprefix prefix -iwithprefix prefix2 -iwithprefixbefore prefix3'
  \ . ' -isysroot sysroot --sysroot=test --no-sysroot-suffix -imultilib multidir'
  \ . ' -Wsome-warning -std=c89 -pedantic -pedantic-errors -ansi'
  \ . ' -foption -O2 -C -CC -trigraphs -nostdinc -nostdinc++'
  \ . ' -iplugindir=dir -march=native -w'
  \ )

Execute(CFlags we dont want to pass):
  AssertEqual
  \ '',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc -Wl,option -Wa,option -Wp,option filename.c somelib.a '
  \ . '-fdump-file=name -fdiagnostics-arg -fno-show-column'
  \ )

Execute(Expanding @file in CFlags):
  AssertEqual
  \ '-DARGS1 -DARGS2 -O2',
  \ ale#c#ParseCFlags(
  \   ale#path#Simplify(g:dir. '/test_c_projects/makefile_project'),
  \   'gcc'
  \   . ' -g'
  \   . ' @./args'
  \   . ' -O2',
  \ )