1 files changed, 46 insertions, 0 deletions
diff --git a/tests/std/test_string_utils.zc b/tests/std/test_string_utils.zc
new file mode 100644
index 0000000..212bac1
--- /dev/null
+++ b/tests/std/test_string_utils.zc
@@ -0,0 +1,46 @@
+import "std/string.zc"
+
+test "string trim" {
+    var s1 = String::from("  hello  ");
+    var t1 = s1.trim();
+    var e1 = String::from("hello");
+    assert(t1.eq(&e1));
+    t1.free(); s1.free(); e1.free();
+
+    var s2 = String::from("\n\t  world \r ");
+    var t2 = s2.trim();
+    var e2 = String::from("world");
+    assert(t2.eq(&e2));
+    t2.free(); s2.free(); e2.free();
+    
+    var s3 = String::from("no_trim");
+    var t3 = s3.trim();
+    var e3 = String::from("no_trim");
+    assert(t3.eq(&e3));
+    t3.free(); s3.free(); e3.free();
+    
+    var s4 = String::from("   ");
+    var t4 = s4.trim();
+    assert(t4.is_empty());
+    t4.free(); s4.free();
+}
+
+test "string replace" {
+    var s1 = String::from("foo bar foo");
+    var r1 = s1.replace("foo", "baz");
+    var e1 = String::from("baz bar baz");
+    assert(r1.eq(&e1));
+    r1.free(); s1.free(); e1.free();
+    
+    var s2 = String::from("hello world");
+    var r2 = s2.replace("world", "ZenC");
+    var e2 = String::from("hello ZenC");
+    assert(r2.eq(&e2));
+    r2.free(); s2.free(); e2.free();
+    
+    var s3 = String::from("aaaa");
+    var r3 = s3.replace("aa", "b");
+    var e3 = String::from("bb");
+    assert(r3.eq(&e3));
+    r3.free(); s3.free(); e3.free();
+}