token-string 0.8.4

// SPDX-FileCopyrightText: Copyright (C) 2024 Roland Csaszar
// SPDX-License-Identifier: MPL-2.0
//
// Project:  token-string
// File:     test-string.rs
// Date:     23.Nov.2024
// =============================================================================
//! Test the `TokenString` methods.

#![expect(clippy::tests_outside_test_module, reason = "tests directory")]
#![expect(
	clippy::std_instead_of_alloc,
	reason = "We are testing, this needs std"
)]

mod func {
	use core::borrow::Borrow as _;
	use core::hash::{Hash as _, Hasher as _};
	use std::hash::DefaultHasher;

	use assert2::{check, let_assert};
	use token_string::TokenString;

	#[test]
	fn empty_is_empty() {
		let empty = TokenString::default();
		check!(empty.is_empty());
		check!(empty.len() == 0);
	}

	#[test]
	fn is_not_empty() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		check!(res.is_empty() == false);
		check!(res.len() == "Hello!".len());
	}

	#[test]
	fn same_prefix_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		check!(res == res);
		check!(res.is_small());
	}

	#[test]
	fn same_small_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		check!(res == res);
		check!(res.is_small());
	}

	#[test]
	fn same_heap_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		check!(res == res);
		check!(!res.is_small());
	}

	#[test]
	fn clone_prefix_eq() {
		let_assert!(
			Ok(s1) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let res = s1.clone();
		check!(res == s1);
		check!(res.is_small());
	}

	#[test]
	fn clone_small_eq() {
		let_assert!(
			Ok(s1) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		let res = s1.clone();
		check!(res == s1);
		check!(res.is_small());
	}

	#[test]
	fn clone_heap_eq() {
		let_assert!(
			Ok(s1) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		let res = s1.clone();
		check!(res == s1);
		check!(!res.is_small());
	}

	#[test]
	fn as_ref() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let s = res.as_ref();
		check!(&res == s);
		check!(res.is_small());
	}

	#[test]
	fn borrow() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let s: &str = res.borrow();
		check!(&res == s);
		check!(res.is_small());
	}

	#[test]
	fn prefix_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		check!(res == res2);
		check!(res.is_small());
	}

	#[test]
	fn small_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		check!(res == res2);
		check!(res.is_small());
	}

	#[test]
	fn heap_eq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		check!(res == res2);
		check!(!res.is_small());
	}

	#[test]
	fn as_chars() {
		let chars: Vec<char> = "Hello funny world!".chars().collect();
		let_assert!(
			Ok(res) = TokenString::try_from(chars.as_slice()),
			"this should be OK"
		);
		check!(res.as_chars() == chars);
		check!(!res.is_small());
	}

	#[test]
	fn heap_string_display() {
		let string = "Hello funny world!".to_owned();
		let_assert!(
			Ok(res) = TokenString::try_from(&string),
			"this should be OK"
		);
		check!(res.to_string() == string);
		check!(format!("{res}") == string);
		check!(!res.is_small());
	}

	#[test]
	fn prefix_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello1"),
			"this should be OK"
		);
		check!(res != res2);
		check!(res.is_small() == res2.is_small());
	}

	#[test]
	fn small_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello World1"),
			"this should be OK"
		);
		check!(res != res2);
		check!(res.is_small() == res2.is_small());
	}

	#[test]
	fn heap_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("Hello funny world1"),
			"this should be OK"
		);
		check!(res != res2);
		check!(res.is_small() == res2.is_small());
	}

	#[test]
	fn string_neq() {
		let s = "Hello funny world!".to_owned();
		let_assert!(
			Ok(res) = TokenString::try_from("Hello funny world"),
			"this should be OK"
		);

		check!(res != s);
		check!(res.is_small() == false);
	}

	#[test]
	fn prefix_str_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let res2 = "Hello";
		check!(&res != res2);
	}

	#[test]
	fn small_str_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello World!"),
			"this should be OK"
		);
		let res2 = "Hello World";
		check!(&res != res2);
	}

	#[test]
	fn heap_str_neq() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello funny world!"),
			"this should be OK"
		);
		let res2 = "Hello funny world";
		check!(&res != res2);
	}

	#[test]
	fn debug_print_prefix() {
		let_assert!(Ok(res) = TokenString::try_from("ࠀ\0¡"));
		let a = format!("Debug: {res:?}");
		check!(
			a == "Debug: TokenString { len: 6, prefix: [224, 160, 128, 0, \
			      194, 161], small: [], string: \"ࠀ\\0¡\" }"
		);
	}

	#[test]
	fn debug_print_small() {
		let_assert!(Ok(res) = TokenString::try_from("ࠀ\0A¡"));
		let a = format!("Debug: {res:?}");
		check!(
			a == "Debug: TokenString { len: 7, prefix: [224, 160, 128, 0, 65, \
			      194], small: [161], string: \"ࠀ\\0A¡\" }"
		);
	}

	#[test]
	fn debug_print_heap() {
		let_assert!(Ok(res) = TokenString::try_from("ࠀ\0A¡ \u{b}\u{b}ࠀ\0a"));
		let a = format!("Debug: {res:?}");
		let ptr_str = format!("{:?}", res.as_str().as_ptr());
		check!(
			a == format!(
				"Debug: TokenString {{ len: 15, prefix: [224, 160, 128, 0, \
				 65, 194], ptr: ManuallyDrop {{ value: StringPtr {{ ptr: \
				 {ptr_str} }} }}, string: \"ࠀ\\0A¡ \\u{{b}}\\u{{b}}ࠀ\\0a\" }}"
			)
		);
	}

	#[test]
	fn ord_array() {
		let_assert!(Ok(s1) = TokenString::try_from("Aaaaaaaa"));
		let_assert!(Ok(s2) = TokenString::try_from("Aaaaaaa"));
		let_assert!(Ok(s3) = TokenString::try_from("Aaaaaa"));
		let_assert!(Ok(s4) = TokenString::try_from("Aabaaa"));
		let_assert!(Ok(s5) = TokenString::try_from("Aab"));
		let res = [&s3, &s2, &s1, &s5, &s4];
		let mut res2 = [&s4, &s1, &s3, &s2, &s5];
		res2.sort();
		check!(res2 == res);
	}

	#[test]
	fn slice_prefix() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let res2 = &res[0 .. 4];
		check!(&res.as_str()[0 .. 4] == res2);
	}

	#[test]
	fn slice_small() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, world!"),
			"this should be OK"
		);
		let res2 = &res[5 .. 12];
		check!(&res.as_str()[5 .. 12] == res2);
	}

	#[test]
	fn slice_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, funny world!"),
			"this should be OK"
		);
		let res2 = &res[7 .. 12];
		check!(&res.as_str()[7 .. 12] == res2);
	}

	#[test]
	fn get_prefix() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let_assert!(Ok(el) = res.get(4));
		check!(el == b'o');
	}

	#[test]
	fn get_small() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, world!"),
			"this should be OK"
		);
		let_assert!(Ok(el) = res.get(9));
		check!(el == b'r');
	}

	#[test]
	fn get_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, funny world!"),
			"this should be OK"
		);
		let_assert!(Ok(el) = res.get(15));
		check!(el == b'r');
	}

	#[test]
	fn get_unchecked_prefix() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		let el = res.get_unchecked(4);
		check!(el == b'o');
	}

	#[test]
	fn get_unchecked_small() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, world!"),
			"this should be OK"
		);
		let el = res.get_unchecked(9);
		check!(el == b'r');
	}

	#[test]
	fn get_unchecked_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello, funny world!"),
			"this should be OK"
		);
		let el = res.get_unchecked(15);
		check!(el == b'r');
	}

	#[test]
	fn trim_prefix() {
		let_assert!(
			Ok(res) = TokenString::try_from(" Hell "),
			"this should be OK"
		);
		check!(&res.trim_ascii() == "Hell");
	}

	#[test]
	fn trim_small() {
		let_assert!(
			Ok(res) = TokenString::try_from(" Hello, world "),
			"this should be OK"
		);
		check!(&res.trim_ascii() == "Hello, world");
		check!(res.is_small() == true);
	}

	#[test]
	fn trim_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from(" Hello, funny world "),
			"this should be OK"
		);
		check!(&res.trim_ascii() == "Hello, funny world");
		check!(res.is_small() == false);
	}

	#[test]
	fn trim_start_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from(" Hello, funny world "),
			"this should be OK"
		);
		check!(&res.trim_ascii_start() == "Hello, funny world ");
		check!(res.is_small() == false);
	}

	#[test]
	fn trim_end_heap() {
		let_assert!(
			Ok(res) = TokenString::try_from(" Hello, funny world "),
			"this should be OK"
		);
		check!(&res.trim_ascii_end() == " Hello, funny world");
		check!(res.is_small() == false);
	}

	#[test]
	fn is_uppercase() {
		let_assert!(
			Ok(res) = TokenString::try_from("Hello!"),
			"this should be OK"
		);
		check!(res.starts_ascii_uppercase() == true);
		check!(res.starts_ascii_lowercase() == false);
	}

	#[test]
	fn is_lowercase() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.starts_ascii_uppercase() == false);
		check!(res.starts_ascii_lowercase() == true);
	}

	#[test]
	fn is_ascii() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.is_ascii() == true);
	}

	#[test]
	fn is_not_ascii() {
		let_assert!(
			Ok(res) = TokenString::try_from("hěllo!"),
			"this should be OK"
		);
		check!(res.is_ascii() == false);
	}

	#[test]
	fn starts_with() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		let_assert!(
			Ok(pref) = TokenString::try_from("hell"),
			"this should be OK"
		);
		check!(res.starts_with(&pref) == true);
	}

	#[test]
	fn starts_with_bytes() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.starts_with_bytes(b"hell") == true);
	}

	#[test]
	fn starts_with_str() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.starts_with_str("hell") == true);
	}

	#[test]
	fn ends_with() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		let_assert!(
			Ok(suf) = TokenString::try_from("world!"),
			"this should be OK"
		);
		check!(res.ends_with(&suf) == true);
	}

	#[test]
	fn ends_with_str() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		check!(res.ends_with_str("world!") == true);
	}

	#[test]
	fn ends_with_bytes() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		check!(res.ends_with_bytes(b"world!") == true);
	}

	#[test]
	fn not_starts_with_bytes() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.starts_with_bytes(b"ell") == false);
	}

	#[test]
	fn not_starts_with() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		let_assert!(
			Ok(pref) = TokenString::try_from("ell"),
			"this should be OK"
		);
		check!(res.starts_with(&pref) == false);
	}

	#[test]
	fn not_starts_with_str() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(res.starts_with_str("ell") == false);
	}

	#[test]
	fn not_ends_with() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		let_assert!(
			Ok(suf) = TokenString::try_from("world"),
			"this should be OK"
		);
		check!(res.ends_with(&suf) == false);
	}

	#[test]
	fn not_ends_with_str() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		check!(res.ends_with_str("world") == false);
	}

	#[test]
	fn not_ends_with_bytes() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		check!(res.ends_with_bytes(b"world") == false);
	}

	#[test]
	fn to_lower() {
		let_assert!(
			Ok(res) = TokenString::try_from("HELLO!"),
			"this should be OK"
		);
		check!(&res.to_ascii_lowercase() == "hello!");
	}

	#[test]
	fn to_upper_small() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		check!(&res.to_ascii_uppercase() == "HELLO!");
	}

	#[test]
	fn to_lower_small() {
		let_assert!(
			Ok(res) = TokenString::try_from("HELLO, FUNNY WORLD!"),
			"this should be OK"
		);
		check!(&res.to_ascii_lowercase() == "hello, funny world!");
	}

	#[test]
	fn to_upper() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello, funny world!"),
			"this should be OK"
		);
		check!(&res.to_ascii_uppercase() == "HELLO, FUNNY WORLD!");
	}

	#[test]
	fn to_iter_owned() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		let mut iter = res.into_iter();
		check!(iter.next() == Some(b'h'));
	}

	#[test]
	fn to_iter() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		let mut iter = (&res).into_iter();
		check!(iter.next() == Some(b'h'));
	}

	#[test]
	fn hashing() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello!"),
			"this should be OK"
		);
		let_assert!(
			Ok(res2) = TokenString::try_from("world"),
			"this should be OK"
		);
		let mut hasher1 = DefaultHasher::new();
		res.hash(&mut hasher1);
		let hash1 = hasher1.finish();
		let mut hasher2 = DefaultHasher::new();
		res2.hash(&mut hasher2);
		let hash2 = hasher2.finish();
		check!(hash1 != hash2);
	}

	#[test]
	#[cfg(feature = "pattern")]
	fn strip_suffix() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		let_assert!(Some(stripped) = res.strip_suffix("world!"));
		check!(&stripped == "hello ");
	}

	#[test]
	#[cfg(feature = "pattern")]
	fn strip_prefix() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		let_assert!(Some(stripped) = res.strip_prefix("hello "));
		check!(&stripped == "world!");
	}

	#[test]
	#[cfg(feature = "pattern")]
	fn contains() {
		let_assert!(
			Ok(res) = TokenString::try_from("hello world!"),
			"this should be OK"
		);
		check!(res.contains("o w") == true);
		check!(res.contains("o q") == false);
	}

	#[test]
	fn debug_iter() {
		let act = " \u{b}\u{b}ࠀa";
		let_assert!(Ok(res) = TokenString::try_from(act));
		check!(res == *act, "{res:?} != '{act:?}'");
		let_assert!(
			Ok(string_from_iter) =
				String::from_utf8(res.into_iter().collect::<Vec<u8>>())
		);
		check!(
			string_from_iter.len() == act.len(),
			"lengths differ {} != {}",
			string_from_iter.len(),
			act.len()
		);
		// 	prop_assert!(string_from_iter == act, "'{string_from_iter}' !=
		// '{act}'");
		check!(string_from_iter == act, "'{string_from_iter}' != '{act}'");
	}
}

mod errors {
	use assert2::{check, let_assert};
	use token_string::{TkStrError, TokenString};

	#[test]
	fn too_long() {
		let too_big = token_string::MAX_LENGTH + 10;
		let_assert!(
			Ok(s1) = std::string::String::from_utf8(vec![b'1'; too_big])
		);
		let_assert!(
			Err(e) = TokenString::try_from(&s1),
			"this should yield an Error"
		);
		check!(e == TkStrError::TooBig(too_big));
	}

	#[test]
	fn invalid_utf8() {
		// this is `0xDC00` as 3 bytes. `ED` is already invalid.
		let s1: &[u8] = &[0xED, 0xB0, 0x80];
		let_assert!(
			Err(e) = TokenString::try_from(s1),
			"this should yield an Error"
		);
		let_assert!(
			TkStrError::UnicodeError(_) = e,
			"this should yield an unicode error"
		);
	}

	#[test]
	fn out_of_bounds() {
		let s1 = "Hello!";
		#[expect(
			clippy::cast_possible_truncation,
			reason = "does not overflow u16"
		)]
		let too_big = s1.len() as u16;
		let_assert!(Ok(res) = TokenString::try_from(s1));
		let_assert!(Err(e) = res.get(too_big), "this must yield an error");
		check!(e == TkStrError::OutOfBounds(too_big as usize));
	}

	#[test]
	fn out_of_bounds_panic() {
		let s1 = "Hello!";
		#[expect(
			clippy::cast_possible_truncation,
			reason = "does not overflow u16"
		)]
		let too_big = s1.len() as u16;
		let_assert!(Ok(res) = TokenString::try_from(s1));
		let_assert!(
			Err(panics) =
				std::panic::catch_unwind(|| res.get_unchecked(too_big)),
			"this should panic with an out of bounds message"
		);
		let_assert!(Some(msg) = panics.downcast_ref::<String>());
		let exp = format!("index {too_big} out of bounds");
		check!(msg == &exp);
	}
}

mod properties {
	use assert2::let_assert;
	use proptest::prelude::*;
	use token_string::TokenString;

	proptest! {

	#[test]
	fn roundtrip(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res.len() == act.len(), "lengths differ: {} != {}",
			res.len(), act.len());
		prop_assert!(res == act, "{res:?} != '{act}'");
	}

	#[test]
	fn roundtrip_bytes(s in ".*") {
		let act = s.as_bytes();
		let_assert!(Ok(res) = TokenString::try_from(act));
		prop_assert!(res.len() == act.len(), "lengths differ: {} != {}",
			res.len(), act.len());
		prop_assert!(res == *act, "{res:?} != '{act:?}'");
	}

	#[test]
	fn roundtrip_str(s in ".*") {
		let act = s.as_str();
		let_assert!(Ok(res) = TokenString::try_from(act));
		prop_assert!(res.len() == act.len(), "lengths differ: {} != {}",
			res.len(), act.len());
		prop_assert!(res == *act, "{res:?} != '{act:?}'");
	}

	#[test]
	fn roundtrip_to_string(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res.len() == act.len(), "lengths differ: {} != {}",
			res.len(), act.len());
		let res_ = res.to_string();
		prop_assert!(res_ == *act, "{res:?} != '{act:?}'");
	}

	#[test]
	fn roundtrip_iter_owned(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res == *act, "{res:?} != '{act:?}'");
		let_assert!(
			Ok(string_from_iter) =
				String::from_utf8(res.into_iter().collect::<Vec<u8>>())
		);
		prop_assert!(
			string_from_iter.len() == act.len(),
			"lengths differ {} != {}",
			string_from_iter.len(),
			act.len()
		);
		prop_assert!(string_from_iter == act,
				"'{string_from_iter}' != '{act}'");
	}

	#[test]
	fn roundtrip_iter(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res == *act, "{res:?} != '{act:?}'");
		let_assert!(
			Ok(string_from_iter) =
				String::from_utf8(res.iter().collect::<Vec<u8>>())
		);
		prop_assert!(
			string_from_iter.len() == act.len(),
			"lengths differ {} != {}",
			string_from_iter.len(),
			act.len()
		);
		prop_assert!(string_from_iter == act,
				"'{string_from_iter}' != '{act}'");
	}

	#[test]
	fn roundtrip_ref_iter(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res == act, "{res:?} != '{act:?}'");
		let_assert!(
			Ok(string_from_iter) =
				String::from_utf8((&res).into_iter().collect::<Vec<u8>>())
		);
		prop_assert!(
			string_from_iter.len() == act.len(),
			"lengths differ {} != {}",
			string_from_iter.len(),
			act.len()
		);
		prop_assert!(string_from_iter == act,
				"'{string_from_iter}' != '{act}'");
	}

	#[test]
	fn roundtrip_char_iter(act in ".*") {
		let_assert!(Ok(res) = TokenString::try_from(&act));
		prop_assert!(res == *act, "{res:?} != '{act:?}'");
		let string_from_iter = res.chars().collect::<String>();
		prop_assert!(
			string_from_iter.len() == act.len(),
			"lengths differ {} != {}",
			string_from_iter.len(),
			act.len()
		);
		prop_assert!(string_from_iter == act,
				"'{string_from_iter}' != '{act}'");
	}

	}
}