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test/static/function.ts

@@ -0,0 +1,54 @@
+import { Expect } from './assert'
+import { Type } from '@sinclair/typebox'
+
+{
+  // simple
+  const T = Type.Function([Type.Number(), Type.Boolean()], Type.String())
+  Expect(T).ToStatic<(param_0: number, param_1: boolean) => string>()
+}
+{
+  // nested
+  // prettier-ignore
+  const T = Type.Function([Type.Number(), Type.String()], Type.Object({
+    method: Type.Function([Type.Number(), Type.String()], Type.Boolean()),
+  }))
+  Expect(T).ToStatic<(param_0: number, param_1: string) => { method: (param_0: number, param_1: string) => boolean }>()
+}
+{
+  // readonly-optional
+  const T = Type.Function([Type.ReadonlyOptional(Type.Array(Type.Number()))], Type.Number())
+  Expect(T).ToStaticDecode<(param_0?: readonly number[]) => number>()
+}
+{
+  // readonly
+  const T = Type.Function([Type.Readonly(Type.Array(Type.Number()))], Type.Number())
+  Expect(T).ToStaticDecode<(param_0: readonly number[]) => number>()
+}
+{
+  // optional 1
+  const T = Type.Function([Type.Optional(Type.Number())], Type.Number())
+  Expect(T).ToStaticDecode<(param_0?: number) => number>()
+}
+{
+  // optional 2
+  const T = Type.Function([Type.Number(), Type.Optional(Type.Number())], Type.Number())
+  Expect(T).ToStaticDecode<(param_0: number, param_1?: number) => number>()
+}
+const F = Type.Constructor([Type.Readonly(Type.Array(Type.String()))], Type.Number())
+
+{
+  // decode 2
+  const S = Type.Transform(Type.Integer())
+    .Decode((value) => new Date(value))
+    .Encode((value) => value.getTime())
+  const T = Type.Function([S], Type.String())
+  Expect(T).ToStaticDecode<(param_0: Date) => string>()
+}
+{
+  // decode 1
+  const S = Type.Transform(Type.Integer())
+    .Decode((value) => new Date(value))
+    .Encode((value) => value.getTime())
+  const T = Type.Function([Type.Number()], S)
+  Expect(T).ToStaticDecode<(param_0: number) => Date>()
+}