BEGIN {
    print "=== Simple Standard Library Tests ==="
}

RAWK {
    $test_function = (value) -> {
        return is_number(value) && is_positive(value);
    };
}

{
    # Test basic type checking
    expect_true(is_number(42), "42 should be a number");
    expect_true(is_string("hello"), "hello should be a string");
    expect_false(is_number("abc"), "abc should not be a number");
    
    # Test the custom function
    expect_true(test_function(5), "5 should pass our test");
    expect_false(test_function(-3), "-3 should fail our test");
    expect_false(test_function("text"), "text should fail our test");
    
    print "All simple standard library tests passed!";
    exit 0;
}