[shuffle] Move wgsl program files to new structure.
This CL moves the WGSL program files into the `lang/wgsl/program`
folder and updates the includes. The namespaces and build groups are not
updated in this CL, just the code move.
Bug: tint:1988
Change-Id: I70fcab08d6aaea3f81bf35df2d692b22793f7a7d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/142143
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
diff --git a/src/tint/lang/wgsl/program/program_builder_test.cc b/src/tint/lang/wgsl/program/program_builder_test.cc
new file mode 100644
index 0000000..b887ff6
--- /dev/null
+++ b/src/tint/lang/wgsl/program/program_builder_test.cc
@@ -0,0 +1,72 @@
+// Copyright 2021 The Tint Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/tint/lang/wgsl/program/program_builder.h"
+
+#include "gtest/gtest.h"
+
+namespace tint {
+namespace {
+
+using ProgramBuilderTest = testing::Test;
+
+TEST_F(ProgramBuilderTest, IDsAreUnique) {
+ Program program_a(ProgramBuilder{});
+ Program program_b(ProgramBuilder{});
+ Program program_c(ProgramBuilder{});
+ EXPECT_NE(program_a.ID(), program_b.ID());
+ EXPECT_NE(program_b.ID(), program_c.ID());
+ EXPECT_NE(program_c.ID(), program_a.ID());
+}
+
+TEST_F(ProgramBuilderTest, WrapDoesntAffectInner) {
+ Program inner([] {
+ ProgramBuilder builder;
+ auto ty = builder.ty.f32();
+ builder.Func("a", {}, ty, {}, {});
+ return builder;
+ }());
+
+ ASSERT_EQ(inner.AST().Functions().Length(), 1u);
+ ASSERT_TRUE(inner.Symbols().Get("a").IsValid());
+ ASSERT_FALSE(inner.Symbols().Get("b").IsValid());
+
+ ProgramBuilder outer = ProgramBuilder::Wrap(&inner);
+
+ ASSERT_EQ(inner.AST().Functions().Length(), 1u);
+ ASSERT_EQ(outer.AST().Functions().Length(), 1u);
+ EXPECT_EQ(inner.AST().Functions()[0], outer.AST().Functions()[0]);
+ EXPECT_TRUE(inner.Symbols().Get("a").IsValid());
+ EXPECT_EQ(inner.Symbols().Get("a"), outer.Symbols().Get("a"));
+ EXPECT_TRUE(inner.Symbols().Get("a").IsValid());
+ EXPECT_TRUE(outer.Symbols().Get("a").IsValid());
+ EXPECT_FALSE(inner.Symbols().Get("b").IsValid());
+ EXPECT_FALSE(outer.Symbols().Get("b").IsValid());
+
+ auto ty = outer.ty.f32();
+ outer.Func("b", {}, ty, {}, {});
+
+ ASSERT_EQ(inner.AST().Functions().Length(), 1u);
+ ASSERT_EQ(outer.AST().Functions().Length(), 2u);
+ EXPECT_EQ(inner.AST().Functions()[0], outer.AST().Functions()[0]);
+ EXPECT_EQ(outer.AST().Functions()[1]->name->symbol, outer.Symbols().Get("b"));
+ EXPECT_EQ(inner.Symbols().Get("a"), outer.Symbols().Get("a"));
+ EXPECT_TRUE(inner.Symbols().Get("a").IsValid());
+ EXPECT_TRUE(outer.Symbols().Get("a").IsValid());
+ EXPECT_FALSE(inner.Symbols().Get("b").IsValid());
+ EXPECT_TRUE(outer.Symbols().Get("b").IsValid());
+}
+
+} // namespace
+} // namespace tint
