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v/vlib/dl/example/use_test.v

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module main
import os
import dl
const (
vexe = os.real_path(os.getenv('VEXE'))
cfolder = os.dir(@FILE)
so_ext = dl.dl_ext
library_file_name = os.join_path(cfolder, 'library$so_ext')
)
fn test_vexe() {
eprintln('vexe: $vexe')
assert vexe != ''
eprintln('os.executable: ' + os.executable())
eprintln('@FILE: ' + @FILE)
eprintln('cfolder: $cfolder')
eprintln('so_ext: $so_ext')
eprintln('library_file_name: $library_file_name')
}
fn test_can_compile_library() {
os.chdir(cfolder)
os.rm(library_file_name) or { }
res := v_compile('-d no_backtrace -o library -shared library.v')
eprintln('res: $res')
assert os.is_file(library_file_name)
}
fn test_can_compile_main_program() {
os.chdir(cfolder)
assert os.is_file(library_file_name)
result := v_compile('run use.v')
eprintln('result: $result')
assert result.output.contains('res: 4')
os.rm(library_file_name) or { }
}
fn v_compile(vopts string) os.Result {
cmd := '"$vexe" -showcc $vopts'
eprintln('>>> v_compile cmd: $cmd')
res := os.exec(cmd) or { panic(err) }
eprintln('>>> v_compile res: $res')
// assert res.exit_code == 0
$if !windows {
os.system('ls -al $cfolder')
} $else {
os.system('dir $cfolder /a')
}
return res
}