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| -rw-r--r-- | test/gleam/result_test.gleam | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/gleam/result_test.gleam b/test/gleam/result_test.gleam index df07a4b..6ff35ee 100644 --- a/test/gleam/result_test.gleam +++ b/test/gleam/result_test.gleam @@ -77,6 +77,24 @@ pub fn try_test() { |> should.equal(Error(1)) } +pub fn then_test() { + Error(1) + |> result.then(fn(x) { Ok(x + 1) }) + |> should.equal(Error(1)) + + Ok(1) + |> result.then(fn(x) { Ok(x + 1) }) + |> should.equal(Ok(2)) + + Ok(1) + |> result.then(fn(_) { Ok("type change") }) + |> should.equal(Ok("type change")) + + Ok(1) + |> result.then(fn(_) { Error(1) }) + |> should.equal(Error(1)) +} + pub fn unwrap_test() { Ok(1) |> result.unwrap(50) |