module pref

import os

// test_detect_vroot_from_subdir validates detect vroot from subdir behavior in v3 tests.
fn test_detect_vroot_from_subdir() {
	vroot := @VMODROOT
	v3_dir := os.join_path(vroot, 'vlib', 'v3')
	assert detect_vroot_from(v3_dir) == vroot
}

// test_detect_vroot_from_binary_path validates this v3 regression case.
fn test_detect_vroot_from_binary_path() {
	vroot := @VMODROOT
	v3_bin := os.join_path(vroot, 'vlib', 'v3', 'v3')
	assert detect_vroot_from(v3_bin) == vroot
}