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import paths
import test.framework
import sys.env

proc main()
    let runner = new framework.TestRunner()

    // expand_home
    env.set_env("HOME", "/home/test")
    runner.assert_eq_string(paths.expand_home("~/foo"), "/home/test/foo", "~/foo expands")
    runner.assert_eq_string(paths.expand_home("~"), "/home/test", "bare ~ expands")
    runner.assert_eq_string(paths.expand_home("/abs/path"), "/abs/path", "abs path passthrough")
    runner.assert_eq_string(paths.expand_home("relative"), "relative", "relative passthrough")
    runner.assert_eq_string(paths.expand_home(""), "", "empty passthrough")

    // join
    runner.assert_eq_string(paths.join("/a", "b"), "/a/b", "join basic")
    runner.assert_eq_string(paths.join("/a/", "b"), "/a/b", "join trailing slash")
    runner.assert_eq_string(paths.join("/a", "/b"), "/a/b", "join leading slash")

    // exists / is_dir against a known dir
    runner.assert_eq_bool(paths.exists("/tmp"), true, "/tmp exists")
    runner.assert_eq_bool(paths.is_dir("/tmp"), true, "/tmp is dir")
    runner.assert_eq_bool(paths.exists("/this-does-not-exist-zzz"), false, "missing path → false")

    runner.report()
end main