[New go generator] Implement declaring unions.

mojom/generators/go/templates/declarations_test.go

Index: mojom/generators/go/templates/declarations_test.go
diff --git a/mojom/generators/go/templates/declarations_test.go b/mojom/generators/go/templates/declarations_test.go
deleted file mode 100644
index 5b4b3329a6096069dcb38968d0a8a7cfd9463828..0000000000000000000000000000000000000000
--- a/mojom/generators/go/templates/declarations_test.go
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2016 The Chromium 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 templates
-
-import (
-	"bytes"
-	"fmt"
-	"strings"
-	"testing"
-
-	"mojom/generators/go/gofmt"
-	"mojom/generators/go/translator"
-)
-
-func check(t *testing.T, expected string, template string, input interface{}) {
-	buffer := &bytes.Buffer{}
-	if err := goFileTmpl.ExecuteTemplate(buffer, template, input); err != nil {
-		panic(err)
-	}
-
-	src := buffer.String()
-	actual, err := gofmt.FormatFragment(src)
-	if err != nil {
-		t.Fatalf("Formatting failed: %s\n%s\n", err, src)
-	}
-
-	if expected != actual {
-		errorMsg := fmt.Sprintf("Failed check: Expected\n%s\nActual\n%s\n", expected, actual)
-		if strings.TrimSpace(expected) == strings.TrimSpace(actual) {
-			errorMsg = fmt.Sprintf("%s\nTrailing or leading spaces differ.\n", errorMsg)
-		}
-		t.Fatalf(errorMsg)
-	}
-}
-
-func TestStructDecl(t *testing.T) {
-	expected := `type Foo struct {
-	Alpha string
-	Beta  uint32
-}`
-
-	s := translator.StructTemplate{
-		Name: "Foo",
-		Fields: []translator.StructFieldTemplate{
-			{Name: "Alpha", Type: "string"},
-			{Name: "Beta", Type: "uint32"},
-		},
-	}
-
-	check(t, expected, "StructDecl", s)
-}