1 files changed, 27 insertions, 0 deletions
diff --git a/test/gleam/string_test.gleam b/test/gleam/string_test.gleam
index ae8a0e9..133bdf5 100644
--- a/test/gleam/string_test.gleam
+++ b/test/gleam/string_test.gleam
@@ -67,6 +67,19 @@ pub fn compare_test() {
   |> should.equal(_, order.Gt)
 }
 
+pub fn contains_test() {
+    "gleam"
+    |> string.contains(_, "ea")
+    |> should.equal(_, True)
+
+    "gleam"
+    |> string.contains(_, "x")
+    |> should.equal(_, False)
+
+    string.contains(does: "bellwether", contain: "bell")
+    |> should.equal(_, True)
+}
+
 pub fn concat_test() {
   [
     "Hello", ", ", "world!",
@@ -75,6 +88,20 @@ pub fn concat_test() {
   |> should.equal(_, "Hello, world!")
 }
 
+pub fn repeat_test() {
+  "hi"
+  |> string.repeat(_, times: 3)
+  |> should.equal(_, "hihihi")
+
+  "hi"
+  |> string.repeat(_, 0)
+  |> should.equal(_, "")
+
+  "hi"
+  |> string.repeat(_, -1)
+  |> should.equal(_, "")
+}
+
 pub fn join_test() {
   [
     "Hello", "world!",