1 files changed, 32 insertions, 0 deletions
diff --git a/test/gleam/set_test.gleam b/test/gleam/set_test.gleam
new file mode 100644
index 0000000..7247c5c
--- /dev/null
+++ b/test/gleam/set_test.gleam
@@ -0,0 +1,32 @@
+import gleam/should
+import gleam/set
+
+pub fn size_test() {
+  set.new()
+  |> set.size
+  |> should.equal(0)
+
+  set.new()
+  |> set.insert(1)
+  |> set.insert(2)
+  |> set.size
+  |> should.equal(2)
+
+  set.new()
+  |> set.insert(1)
+  |> set.insert(1)
+  |> set.insert(2)
+  |> set.size
+  |> should.equal(2)
+}
+
+pub fn contains_test() {
+  set.new()
+  |> set.insert(1)
+  |> set.contains(this: 1)
+  |> should.be_true
+
+  set.new()
+  |> set.contains(this: 1)
+  |> should.be_false
+}