ast/type: Have all tests derive from new TestHelper

It doesn't actually do anything (yet), but will hold the context and
a helper for constructing AST nodes.

Bug: tint:322
Change-Id: I265093f2ef38040c77a34fb0c23d7fc33757466f
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/32665
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>

src/ast/type/access_control_type_test.cc

@@ -17,12 +17,12 @@
 #include <memory>
 #include <utility>
 
-#include "gtest/gtest.h"
 #include "src/ast/storage_class.h"
 #include "src/ast/stride_decoration.h"
 #include "src/ast/struct_member.h"
 #include "src/ast/struct_member_decoration.h"
 #include "src/ast/struct_member_offset_decoration.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/array_type.h"
 #include "src/ast/type/i32_type.h"
 #include "src/ast/type/pointer_type.h"
@@ -34,7 +34,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using AccessControlTypeTest = testing::Test;
+using AccessControlTypeTest = TestHelper;
 
 TEST_F(AccessControlTypeTest, Create) {
   U32Type u32;

src/ast/type/alias_type_test.cc

@@ -17,12 +17,12 @@
 #include <memory>
 #include <utility>
 
-#include "gtest/gtest.h"
 #include "src/ast/storage_class.h"
 #include "src/ast/stride_decoration.h"
 #include "src/ast/struct_member.h"
 #include "src/ast/struct_member_decoration.h"
 #include "src/ast/struct_member_offset_decoration.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/access_control_type.h"
 #include "src/ast/type/array_type.h"
 #include "src/ast/type/i32_type.h"
@@ -35,7 +35,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using AliasTypeTest = testing::Test;
+using AliasTypeTest = TestHelper;
 
 TEST_F(AliasTypeTest, Create) {
   U32Type u32;

src/ast/type/array_type_test.cc

@@ -17,8 +17,8 @@
 #include <memory>
 #include <utility>
 
-#include "gtest/gtest.h"
 #include "src/ast/stride_decoration.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/i32_type.h"
 #include "src/ast/type/u32_type.h"
 
@@ -27,7 +27,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using ArrayTypeTest = testing::Test;
+using ArrayTypeTest = TestHelper;
 
 TEST_F(ArrayTypeTest, CreateSizedArray) {
   U32Type u32;

src/ast/type/bool_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/bool_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using BoolTypeTest = testing::Test;
+using BoolTypeTest = TestHelper;
 
 TEST_F(BoolTypeTest, Is) {
   BoolType b;

src/ast/type/depth_texture_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/depth_texture_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using DepthTextureTypeTest = testing::Test;
+using DepthTextureTypeTest = TestHelper;
 
 TEST_F(DepthTextureTypeTest, Is) {
   DepthTextureType d(TextureDimension::kCube);

src/ast/type/f32_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/f32_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using F32TypeTest = testing::Test;
+using F32TypeTest = TestHelper;
 
 TEST_F(F32TypeTest, Is) {
   F32Type f;

src/ast/type/i32_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/i32_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using I32TypeTest = testing::Test;
+using I32TypeTest = TestHelper;
 
 TEST_F(I32TypeTest, Is) {
   I32Type i;

src/ast/type/matrix_type_test.cc

@@ -14,7 +14,7 @@
 
 #include "src/ast/type/matrix_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/i32_type.h"
 
 namespace tint {
@@ -22,7 +22,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using MatrixTypeTest = testing::Test;
+using MatrixTypeTest = TestHelper;
 
 TEST_F(MatrixTypeTest, Creation) {
   I32Type i32;

src/ast/type/multisampled_texture_type_test.cc

@@ -14,7 +14,7 @@
 
 #include "src/ast/type/multisampled_texture_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/f32_type.h"
 
 namespace tint {
@@ -22,7 +22,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using MultisampledTextureTypeTest = testing::Test;
+using MultisampledTextureTypeTest = TestHelper;
 
 TEST_F(MultisampledTextureTypeTest, Is) {
   F32Type f32;

src/ast/type/pointer_type_test.cc

@@ -14,7 +14,7 @@
 
 #include "src/ast/type/pointer_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/i32_type.h"
 
 namespace tint {
@@ -22,7 +22,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using PointerTypeTest = testing::Test;
+using PointerTypeTest = TestHelper;
 
 TEST_F(PointerTypeTest, Creation) {
   I32Type i32;

src/ast/type/sampled_texture_type_test.cc

@@ -14,7 +14,7 @@
 
 #include "src/ast/type/sampled_texture_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/f32_type.h"
 
 namespace tint {
@@ -22,7 +22,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using SampledTextureTypeTest = testing::Test;
+using SampledTextureTypeTest = TestHelper;
 
 TEST_F(SampledTextureTypeTest, Is) {
   F32Type f32;

src/ast/type/sampler_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/sampler_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using SamplerTypeTest = testing::Test;
+using SamplerTypeTest = TestHelper;
 
 TEST_F(SamplerTypeTest, Creation) {
   SamplerType s{SamplerKind::kSampler};

src/ast/type/storage_texture_type_test.cc

@@ -16,8 +16,8 @@
 
 #include <memory>
 
-#include "gtest/gtest.h"
 #include "src/ast/identifier_expression.h"
+#include "src/ast/test_helper.h"
 #include "src/type_determiner.h"
 
 namespace tint {
@@ -25,7 +25,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using StorageTextureTypeTest = testing::Test;
+using StorageTextureTypeTest = TestHelper;
 
 TEST_F(StorageTextureTypeTest, Is) {
   StorageTextureType s(TextureDimension::k2dArray, AccessControl::kReadOnly,

src/ast/type/struct_type_test.cc

@@ -16,11 +16,11 @@
 
 #include <utility>
 
-#include "gtest/gtest.h"
 #include "src/ast/stride_decoration.h"
 #include "src/ast/struct_member.h"
 #include "src/ast/struct_member_decoration.h"
 #include "src/ast/struct_member_offset_decoration.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/array_type.h"
 #include "src/ast/type/i32_type.h"
 #include "src/ast/type/u32_type.h"
@@ -31,7 +31,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using StructTypeTest = testing::Test;
+using StructTypeTest = TestHelper;
 
 TEST_F(StructTypeTest, Creation) {
   auto impl = std::make_unique<Struct>();

src/ast/type/u32_type_test.cc

@@ -14,14 +14,14 @@
 
 #include "src/ast/type/u32_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 
 namespace tint {
 namespace ast {
 namespace type {
 namespace {
 
-using U32TypeTest = testing::Test;
+using U32TypeTest = TestHelper;
 
 TEST_F(U32TypeTest, Is) {
   U32Type u;

src/ast/type/vector_type_test.cc

@@ -14,7 +14,7 @@
 
 #include "src/ast/type/vector_type.h"
 
-#include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/i32_type.h"
 
 namespace tint {
@@ -22,7 +22,7 @@ namespace ast {
 namespace type {
 namespace {
 
-using VectorTypeTest = testing::Test;
+using VectorTypeTest = TestHelper;
 
 TEST_F(VectorTypeTest, Creation) {
   I32Type i32;

src/type_manager_test.cc

@@ -15,6 +15,7 @@
 #include "src/type_manager.h"
 
 #include "gtest/gtest.h"
+#include "src/ast/test_helper.h"
 #include "src/ast/type/i32_type.h"
 #include "src/ast/type/u32_type.h"