// String_IsBlank / String_Repeat
import Std::Io::{PrintLine};
import Std::String::{String_IsBlank, String_IsEmpty, String_Repeat, String_Eq, String_Len};
import Std::Test::{Test_AssertTrue, Test_AssertFalse, Test_AssertEqInt, Test_AssertEqString, Test_Pass};

func Main() -> int {
    Test_AssertTrue(String_IsEmpty(""));
    Test_AssertTrue(String_IsBlank(""));
    Test_AssertTrue(String_IsBlank("   \t\n"));
    Test_AssertFalse(String_IsBlank(" x "));

    let dots: String = String_Repeat(".", 5);
    Test_AssertEqString(dots, ".....");
    Test_AssertEqInt(String_Len(String_Repeat("ab", 3)) as int, 6);
    Test_AssertEqString(String_Repeat("x", 0), "");
    Test_AssertEqString(String_Repeat("ok", 1), "ok");

    PrintLine(String_Repeat("Bux ", 2));
    Test_Pass("string_extra");
    return 0;
}