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v/examples/dynamic_library_loading/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
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library_file_name = os.join_path(cfolder, dl.get_libname('library'))
)
fn test_vexe() {
// dump(vexe)
assert vexe != ''
// dump(os.executable())
// dump(@FILE)
// dump(cfolder)
// dump(so_ext)
// dump(library_file_name)
}
fn test_can_compile_library() {
os.chdir(cfolder) or {}
os.rm(library_file_name) or {}
v_compile('-d no_backtrace -o library -shared modules/library/library.v')
assert os.is_file(library_file_name)
}
fn test_can_compile_main_program() {
os.chdir(cfolder) or {}
assert os.is_file(library_file_name)
result := v_compile('run use.v')
// dump(result)
assert result.output.contains('res: 4')
os.rm(library_file_name) or {}
}
fn test_can_compile_and_use_library_with_skip_unused() {
os.chdir(cfolder) or {}
os.rm(library_file_name) or {}
v_compile('-skip-unused -d no_backtrace -o library -shared modules/library/library.v')
assert os.is_file(library_file_name)
result := v_compile('run use.v')
assert result.output.contains('res: 4')
os.rm(library_file_name) or {}
}
fn v_compile(vopts string) os.Result {
cmd := '"$vexe" -showcc $vopts'
// dump(cmd)
res := os.execute_or_exit(cmd)
// dump(res)
assert res.exit_code == 0
return res
}