diff --git a/Cargo.lock b/Cargo.lock
index dd5c848..bd67eed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -218,9 +218,9 @@ checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
 
 [[package]]
 name = "codespan-reporting"
-version = "0.12.0"
+version = "0.13.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe6d2e5af09e8c8ad56c969f2157a3d4238cebc7c55f0a517728c38f7b200f81"
+checksum = "af491d569909a7e4dee0ad7db7f5341fef5c614d5b8ec8cf765732aba3cff681"
 dependencies = [
  "serde",
  "termcolor",
@@ -279,9 +279,9 @@ dependencies = [
 
 [[package]]
 name = "cxx"
-version = "1.0.186"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e9c4fe7f2f5dc5c62871a1b43992d197da6fa1394656a94276ac2894a90a6fe"
+checksum = "747d8437319e3a2f43d93b341c137927ca70c0f5dabeea7a005a73665e247c7e"
 dependencies = [
  "cc",
  "cxx-build",
@@ -294,9 +294,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-build"
-version = "1.0.186"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5cf2909d37d80633ddd208676fc27c2608a7f035fff69c882421168038b26dd"
+checksum = "b0f4697d190a142477b16aef7da8a99bfdc41e7e8b1687583c0d23a79c7afc1e"
 dependencies = [
  "cc",
  "codespan-reporting",
@@ -309,9 +309,9 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-cmd"
-version = "1.0.186"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "077f5ee3d3bfd8d27f83208fdaa96ddd50af7f096c77077cc4b94da10bfacefd"
+checksum = "d0956799fa8678d4c50eed028f2de1c0552ae183c76e976cf7ca8c4e36a7c328"
 dependencies = [
  "clap",
  "codespan-reporting",
@@ -323,20 +323,19 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.186"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0108748615125b9f2e915dfafdffcbdabbca9b15102834f6d7e9a768f2f2864"
+checksum = "23384a836ab4f0ad98ace7e3955ad2de39de42378ab487dc28d3990392cb283a"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.186"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6e896681ef9b8dc462cfa6961d61909704bde0984b30bcb4082fe102b478890"
+checksum = "e6acc6b5822b9526adfb4fc377b67128fdd60aac757cc4a741a6278603f763cf"
 dependencies = [
  "indexmap",
  "proc-macro2",
  "quote",
- "rustversion",
  "syn",
 ]
 
@@ -430,6 +429,13 @@ dependencies = [
  "windows-sys 0.60.2",
 ]
 
+[[package]]
+name = "example-rs"
+version = "0.0.0"
+dependencies = [
+ "cxx",
+]
+
 [[package]]
 name = "filetime"
 version = "0.2.27"
@@ -872,12 +878,6 @@ dependencies = [
  "windows-sys 0.60.2",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
-
 [[package]]
 name = "same-file"
 version = "1.0.6"
diff --git a/packages/test-mod/src/lib.rs b/packages/test-mod/src/lib.rs
index 2792256..a950a4e 100644
--- a/packages/test-mod/src/lib.rs
+++ b/packages/test-mod/src/lib.rs
@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 // Copyright (c) 2026 Megaton contributors
-
 mod fs_tests;
 
 #[cxx::bridge]
@@ -120,7 +119,41 @@ fn megaton_num_tests(mtt: &mut MegatonTests) {
 
 fn megaton_string_tests(mtt: &mut MegatonTests) {
     mtt.start_category("Strings");
+
     mtt.megaton_assert("", "");
+
+    let mut s: String = "Hello, Megaton!".to_string();
+    mtt.megaton_assert(s.as_str(), "Hello, Megaton!");
+    s.make_ascii_uppercase();
+    mtt.megaton_assert(s.as_str(), "HELLO, MEGATON!");
+    s.push_str(" These are string tests");
+    mtt.megaton_assert(s, "HELLO, MEGATON! These are string tests".to_string());
+
+    let mut s: String = String::new();
+    let mut len = s.len();
+    for _ in 0..10 {
+        s.push('a');
+        len += 1;
+        mtt.megaton_assert(s.len(), len);
+    }
+    mtt.megaton_assert(s, "aaaaaaaaaa".to_string());
+
+    let mut s: String = "a".to_string();
+    s = s.chars().rev().collect();
+    mtt.megaton_assert(s.clone(), "a".to_string());
+    s.push('b');
+    mtt.megaton_assert(s.clone(), "ab".to_string());
+    s = s.chars().rev().collect();
+    mtt.megaton_assert(s.clone(), "ba".to_string());
+    s.push('c');
+    mtt.megaton_assert(s.clone(), "bac".to_string());
+    s = s.chars().rev().collect();
+    mtt.megaton_assert(s.clone(), "cab".to_string());
+    s.push('d');
+    mtt.megaton_assert(s.clone(), "cabd".to_string());
+    s = s.chars().rev().collect();
+    mtt.megaton_assert(s, "dbac".to_string());
+
     mtt.end_category();
 }