1 files changed, 42 insertions, 0 deletions
diff --git a/test/gleam_json_test.gleam b/test/gleam_json_test.gleam
new file mode 100644
index 0000000..162fa6e
--- /dev/null
+++ b/test/gleam_json_test.gleam
@@ -0,0 +1,42 @@
+import gleam/dynamic
+import gleam/option.{None, Some}
+import gleam/result
+import gleam/json
+import gleeunit/should
+import gleeunit
+
+pub fn main() {
+  gleeunit.main()
+}
+
+pub fn decode_test() {
+  json.decode("5")
+  |> result.map(dynamic.from)
+  |> should.equal(Ok(dynamic.from(5)))
+
+  json.decode(".")
+  |> result.nil_error()
+  |> should.equal(Error(Nil))
+}
+
+pub fn encode_test() {
+  json.string("hello")
+  |> json.encode()
+  |> should.equal("\"hello\"")
+
+  json.null()
+  |> json.encode()
+  |> should.equal("null")
+
+  json.object([#("foo", json.int(5))])
+  |> json.encode()
+  |> should.equal("{\"foo\":5}")
+
+  json.nullable(Some(5), json.int)
+  |> json.encode()
+  |> should.equal("5")
+
+  json.nullable(None, json.int)
+  |> json.encode()
+  |> should.equal("null")
+}