tools/fidl/lib/fidlgentest/endtoendtest_test.go

// Copyright 2021 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package fidlgentest

import (
	"testing"
)

func TestEndToEndExample(t *testing.T) {
	root := EndToEndTest{T: t}.Single(`library example;

	type MyStruct = struct {
		field1 string;
		field2 string;
	};`)

	if root.Name != "example" {
		t.Errorf("expected 'example', was '%s'", root.Name)
	}
}

func TestHandleObjType(t *testing.T) {
	root := EndToEndTest{T: t}.Single(`library example;

	type obj_type = enum : uint32 {
		NONE = 0;
		VMO = 3;
	};

	resource_definition handle : uint32 {
		properties {
			subtype obj_type;
		};
	};

	type MyStruct = resource struct {
		field handle:VMO;
	};`)

	if root.Structs[0].Members[0].Type.ObjType != 3 {
		t.Errorf("expected '3', was '%d'", root.Structs[0].Members[0].Type.ObjType)
	}
}

func TestErrorSyntaxOfImportedComposedProtocol(t *testing.T) {
	root := EndToEndTest{T: t}.WithDependency(`library parent;

	protocol Parent {
		Method() -> (struct{}) error uint32;
	};

`).Single(`library child;

	using parent;

	protocol Child {
		compose parent.Parent;
	};

`)

	if len(root.Protocols) != 1 {
		t.Fatalf("expected one protocol, found %v", root.Protocols)
	}
	if len(root.Protocols[0].Methods) != 1 {
		t.Fatalf("expected one method, found %v", root.Protocols[0].Methods)
	}
	method := root.Protocols[0].Methods[0]

	if !method.HasError {
		t.Fatalf("expected method to have an error syntax")
	}
	if method.ResultType == nil {
		t.Fatalf("expected a .ResultType")
	}
	if method.ValueType == nil {
		t.Fatalf("expected a .ValueType")
	}
	if method.ErrorType == nil {
		t.Fatalf("expected a .ErrorType")
	}
}