1 files changed, 52 insertions, 0 deletions
diff --git a/test/int_test.gleam b/test/int_test.gleam
new file mode 100644
index 0000000..d5f0f58
--- /dev/null
+++ b/test/int_test.gleam
@@ -0,0 +1,52 @@
+import expect
+import int
+
+pub fn to_string() {
+  123
+  |> int:to_string
+  |> expect:equal(_, "123")
+
+  -123
+  |> int:to_string
+  |> expect:equal(_, "-123")
+
+  0123
+  |> int:to_string
+  |> expect:equal(_, "123")
+}
+
+pub fn parse() {
+  "123"
+  |> int:parse
+  |> expect:equal(_, Ok(123))
+
+  "-123"
+  |> int:parse
+  |> expect:equal(_, Ok(-123))
+
+  "0123"
+  |> int:parse
+  |> expect:equal(_, Ok(123))
+
+  ""
+  |> int:parse
+  |> expect:is_error
+
+  "what"
+  |> int:parse
+  |> expect:is_error
+
+  "1.23"
+  |> int:parse
+  |> expect:is_error
+}
+
+pub fn to_base_string() {
+  100
+  |> int:to_base_string(_, 16)
+  |> expect:equal(_, "64")
+
+  -100
+  |> int:to_base_string(_, 16)
+  |> expect:equal(_, "-64")
+}