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import os
const the_source = 'vlib/flag/testdata/usage_example.v'
const the_executable = os.real_path(os.join_path(os.cache_dir(), 'flag_usage_example_app.exe'))
fn testsuite_begin() {
os.chdir(@VMODROOT)
os.rm(the_executable) or {}
res := os.execute('${@VEXE} -o $the_executable $the_source')
assert res.exit_code == 0
assert os.execute(the_executable).exit_code == 0
C.atexit(fn () {
os.rm(the_executable) or {}
})
}
fn normalise_lines(lines []string) string {
return '\n' + lines.join('\n')
}
fn check_program(opts string, extension string) {
result := the_source.replace('.v', extension)
res := os.execute('$the_executable $opts')
assert res.exit_code == 0
assert normalise_lines(res.output.split_into_lines()) == normalise_lines(os.read_lines(result) or {
panic(err)
})
}
fn test_normal_usage() {
check_program('abc def', '.out')
check_program(' --help', '.help.out')
check_program(' --version', '.version.out')
}
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