import "std/string.zc"

test "string trim" {
    var s1 = String::from("  hello  ");
    var t1 = s1.trim();
    var e1 = String::from("hello");
    assert(t1.eq(&e1));
    t1.free(); s1.free(); e1.free();

    var s2 = String::from("\n\t  world \r ");
    var t2 = s2.trim();
    var e2 = String::from("world");
    assert(t2.eq(&e2));
    t2.free(); s2.free(); e2.free();
    
    var s3 = String::from("no_trim");
    var t3 = s3.trim();
    var e3 = String::from("no_trim");
    assert(t3.eq(&e3));
    t3.free(); s3.free(); e3.free();
    
    var s4 = String::from("   ");
    var t4 = s4.trim();
    assert(t4.is_empty());
    t4.free(); s4.free();
}

test "string replace" {
    var s1 = String::from("foo bar foo");
    var r1 = s1.replace("foo", "baz");
    var e1 = String::from("baz bar baz");
    assert(r1.eq(&e1));
    r1.free(); s1.free(); e1.free();
    
    var s2 = String::from("hello world");
    var r2 = s2.replace("world", "ZenC");
    var e2 = String::from("hello ZenC");
    assert(r2.eq(&e2));
    r2.free(); s2.free(); e2.free();
    
    var s3 = String::from("aaaa");
    var r3 = s3.replace("aa", "b");
    var e3 = String::from("bb");
    assert(r3.eq(&e3));
    r3.free(); s3.free(); e3.free();
}