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b7bd0e12d1
Bug: tint:724 Change-Id: I484813dd139122244cd09829ab5b035cec9981e6 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49960 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com>
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "src/reader/wgsl/parser_impl_test_helper.h"
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namespace tint {
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namespace reader {
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namespace wgsl {
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namespace {
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TEST_F(ParserImplTest, Empty) {
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auto p = parser("");
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ASSERT_TRUE(p->Parse()) << p->error();
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}
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TEST_F(ParserImplTest, Parses) {
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auto p = parser(R"(
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[[location(0)]] var<out> gl_FragColor : vec4<f32>;
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[[stage(vertex)]]
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fn main() {
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gl_FragColor = vec4<f32>(.4, .2, .3, 1);
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}
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)");
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ASSERT_TRUE(p->Parse()) << p->error();
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Program program = p->program();
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ASSERT_EQ(1u, program.AST().Functions().size());
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ASSERT_EQ(1u, program.AST().GlobalVariables().size());
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}
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TEST_F(ParserImplTest, HandlesError) {
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auto p = parser(R"(
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fn main() -> { // missing return type
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return;
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})");
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ASSERT_FALSE(p->Parse());
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ASSERT_TRUE(p->has_error());
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EXPECT_EQ(p->error(), "2:15: unable to determine function return type");
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}
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TEST_F(ParserImplTest, GetRegisteredType) {
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auto p = parser("");
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p->register_constructed("my_alias", ty.i32());
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auto* alias = p->get_constructed("my_alias");
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ASSERT_NE(alias, nullptr);
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EXPECT_TRUE(alias->Is<ast::I32>());
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}
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TEST_F(ParserImplTest, GetUnregisteredType) {
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auto p = parser("");
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auto* alias = p->get_constructed("my_alias");
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ASSERT_EQ(alias, nullptr);
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}
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} // namespace
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} // namespace wgsl
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} // namespace reader
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} // namespace tint
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