dawn-cmake/src/reader/wgsl/parser_impl_test.cc
Ben Clayton 9328d94572 wgsl: Deprecate '-> void' on functions
Was removed with:
https://github.com/gpuweb/gpuweb/pull/1460

Bug: tint:677
Change-Id: If08cb450189c6158561051ef6e8f2439c60bc010
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/47140
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
2021-04-08 14:39:47 +00:00

73 lines
1.9 KiB
C++

// Copyright 2020 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/reader/wgsl/parser_impl_test_helper.h"
namespace tint {
namespace reader {
namespace wgsl {
namespace {
TEST_F(ParserImplTest, Empty) {
auto p = parser("");
ASSERT_TRUE(p->Parse()) << p->error();
}
TEST_F(ParserImplTest, Parses) {
auto p = parser(R"(
[[location(0)]] var<out> gl_FragColor : vec4<f32>;
[[stage(vertex)]]
fn main() {
gl_FragColor = vec4<f32>(.4, .2, .3, 1);
}
)");
ASSERT_TRUE(p->Parse()) << p->error();
Program program = p->program();
ASSERT_EQ(1u, program.AST().Functions().size());
ASSERT_EQ(1u, program.AST().GlobalVariables().size());
}
TEST_F(ParserImplTest, HandlesError) {
auto p = parser(R"(
fn main() -> { // missing return type
return;
})");
ASSERT_FALSE(p->Parse());
ASSERT_TRUE(p->has_error());
EXPECT_EQ(p->error(), "2:15: unable to determine function return type");
}
TEST_F(ParserImplTest, GetRegisteredType) {
auto p = parser("");
p->register_constructed("my_alias", ty.i32());
auto* alias = p->get_constructed("my_alias");
ASSERT_NE(alias, nullptr);
ASSERT_EQ(alias, ty.i32());
}
TEST_F(ParserImplTest, GetUnregisteredType) {
auto p = parser("");
auto* alias = p->get_constructed("my_alias");
ASSERT_EQ(alias, nullptr);
}
} // namespace
} // namespace wgsl
} // namespace reader
} // namespace tint