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#![allow(missing_docs)]
// Copyright © 2023-2026 Common (CMN) library. All rights reserved.
// SPDX-License-Identifier: Apache-2.0 OR MIT
#[cfg(test)]
mod tests {
use cmn::{words::WORD_LIST, Words};
// ---------------------------------------------------------------
// Words::new
// ---------------------------------------------------------------
#[test]
fn new_creates_empty_set() {
let words = Words::new();
assert_eq!(words.count(), 0);
assert!(words.words_list().is_empty());
}
// ---------------------------------------------------------------
// Words::default — populates from WORD_LIST
// ---------------------------------------------------------------
#[test]
fn default_populates_from_word_list() {
let words = Words::default();
assert_eq!(
words.count(),
WORD_LIST.len(),
"Default words count should match WORD_LIST length"
);
}
#[test]
fn default_words_list_is_sorted() {
let words = Words::default();
let list = words.words_list();
assert_eq!(list[0], "aboard");
// Verify entire list is sorted
for window in list.windows(2) {
assert!(
window[0] <= window[1],
"Words list not sorted: '{}' > '{}'",
window[0],
window[1]
);
}
}
// ---------------------------------------------------------------
// Words::words — returns self reference
// ---------------------------------------------------------------
#[test]
fn words_returns_self_reference() {
let words = Words::new();
let ref_words = words.words();
assert_eq!(ref_words.count(), words.count());
}
// ---------------------------------------------------------------
// Words::add_word / Words::contains
// ---------------------------------------------------------------
#[test]
fn add_word_makes_it_findable() {
let mut words = Words::new();
words.add_word("hello");
assert!(words.contains("hello"));
}
#[test]
fn contains_missing_word_returns_false() {
let words = Words::new();
assert!(!words.contains("nonexistent"));
}
#[test]
fn add_duplicate_word_does_not_increase_count() {
let mut words = Words::new();
words.add_word("dup");
words.add_word("dup");
assert_eq!(words.count(), 1);
}
#[test]
fn add_empty_string_is_stored() {
let mut words = Words::new();
words.add_word("");
assert!(words.contains(""));
assert_eq!(words.count(), 1);
}
// ---------------------------------------------------------------
// Words::remove_word
// ---------------------------------------------------------------
#[test]
fn remove_existing_word_returns_true() {
let mut words = Words::new();
words.add_word("target");
assert!(words.remove_word("target"));
assert!(!words.contains("target"));
}
#[test]
fn remove_nonexistent_word_returns_false() {
let mut words = Words::new();
assert!(!words.remove_word("ghost"));
}
// ---------------------------------------------------------------
// Words::clear
// ---------------------------------------------------------------
#[test]
fn clear_empties_the_set() {
let mut words = Words::default();
assert!(words.count() > 0);
words.clear();
assert_eq!(words.count(), 0);
assert!(words.words_list().is_empty());
}
// ---------------------------------------------------------------
// Words::count
// ---------------------------------------------------------------
#[test]
fn count_reflects_additions_and_removals() {
let mut words = Words::new();
assert_eq!(words.count(), 0);
words.add_word("one");
assert_eq!(words.count(), 1);
words.add_word("two");
assert_eq!(words.count(), 2);
let _ = words.remove_word("one");
assert_eq!(words.count(), 1);
}
// ---------------------------------------------------------------
// Words::words_list — sorting behavior
// ---------------------------------------------------------------
#[test]
fn words_list_returns_sorted_vec() {
let mut words = Words::new();
words.add_word("zebra");
words.add_word("apple");
words.add_word("mango");
let list = words.words_list();
assert_eq!(list, vec!["apple", "mango", "zebra"]);
}
// ---------------------------------------------------------------
// Words — derive trait coverage (Clone, Debug, Serialize, Deserialize)
// ---------------------------------------------------------------
#[test]
fn words_clone_is_independent() {
let mut original = Words::new();
original.add_word("original");
let mut cloned = original.clone();
cloned.add_word("cloned");
// Original should not have the word added to clone
assert!(!original.contains("cloned"));
assert!(cloned.contains("original"));
}
#[test]
fn words_debug_format() {
let mut words = Words::new();
words.add_word("test");
let debug = format!("{:?}", words);
assert!(debug.contains("Words"));
assert!(debug.contains("test"));
}
#[test]
fn words_serialize_deserialize_roundtrip() {
let mut original = Words::new();
original.add_word("alpha");
original.add_word("beta");
let json = serde_json::to_string(&original).unwrap();
let deserialized: Words = serde_json::from_str(&json).unwrap();
assert_eq!(original.count(), deserialized.count());
assert!(deserialized.contains("alpha"));
assert!(deserialized.contains("beta"));
}
// ---------------------------------------------------------------
// WORD_LIST constant
// ---------------------------------------------------------------
#[test]
fn word_list_is_not_empty() {
assert!(!WORD_LIST.is_empty());
}
#[test]
fn word_list_contains_no_empty_strings() {
for word in WORD_LIST {
assert!(
!word.is_empty(),
"WORD_LIST should not contain empty strings"
);
}
}
// ---------------------------------------------------------------
// FromIterator
// ---------------------------------------------------------------
#[test]
fn from_iterator_creates_words() {
let items = vec!["alpha".to_string(), "beta".to_string()];
let words: Words = items.into_iter().collect();
assert_eq!(words.count(), 2);
assert!(words.contains("alpha"));
assert!(words.contains("beta"));
}
#[test]
fn from_iterator_deduplicates() {
let items = vec!["dup".to_string(), "dup".to_string()];
let words: Words = items.into_iter().collect();
assert_eq!(words.count(), 1);
}
}