mirror of
https://github.com/encounter/dawn-cmake.git
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67c37197d6
Keeps error message consistent. Reduces code. Bug: tint:282 Change-Id: If89265dfe4356468d610dab931c906aa3260ce5a Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31728 Commit-Queue: dan sinclair <dsinclair@chromium.org> Reviewed-by: dan sinclair <dsinclair@chromium.org>
117 lines
3.7 KiB
C++
117 lines
3.7 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 "gtest/gtest.h"
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#include "src/ast/struct_member_offset_decoration.h"
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#include "src/ast/type/i32_type.h"
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#include "src/reader/wgsl/parser_impl.h"
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#include "src/reader/wgsl/parser_impl_test_helper.h"
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#include "src/type_manager.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, StructMember_Parses) {
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auto* i32 = tm()->Get(std::make_unique<ast::type::I32Type>());
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auto* p = parser("a : i32;");
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auto m = p->struct_member();
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ASSERT_FALSE(p->has_error());
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ASSERT_NE(m, nullptr);
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EXPECT_EQ(m->name(), "a");
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EXPECT_EQ(m->type(), i32);
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EXPECT_EQ(m->decorations().size(), 0u);
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ASSERT_EQ(m->source().range.begin.line, 1u);
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ASSERT_EQ(m->source().range.begin.column, 1u);
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ASSERT_EQ(m->source().range.end.line, 1u);
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ASSERT_EQ(m->source().range.end.column, 2u);
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}
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TEST_F(ParserImplTest, StructMember_ParsesWithDecoration) {
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auto* i32 = tm()->Get(std::make_unique<ast::type::I32Type>());
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auto* p = parser("[[offset(2)]] a : i32;");
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auto m = p->struct_member();
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ASSERT_FALSE(p->has_error());
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ASSERT_NE(m, nullptr);
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EXPECT_EQ(m->name(), "a");
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EXPECT_EQ(m->type(), i32);
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EXPECT_EQ(m->decorations().size(), 1u);
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EXPECT_TRUE(m->decorations()[0]->IsOffset());
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EXPECT_EQ(m->decorations()[0]->AsOffset()->offset(), 2u);
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ASSERT_EQ(m->source().range.begin.line, 1u);
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ASSERT_EQ(m->source().range.begin.column, 15u);
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ASSERT_EQ(m->source().range.end.line, 1u);
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ASSERT_EQ(m->source().range.end.column, 16u);
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}
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TEST_F(ParserImplTest, StructMember_ParsesWithMultipleDecorations) {
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auto* i32 = tm()->Get(std::make_unique<ast::type::I32Type>());
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auto* p = parser(R"([[offset(2)]]
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[[offset(4)]] a : i32;)");
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auto m = p->struct_member();
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ASSERT_FALSE(p->has_error());
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ASSERT_NE(m, nullptr);
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EXPECT_EQ(m->name(), "a");
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EXPECT_EQ(m->type(), i32);
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EXPECT_EQ(m->decorations().size(), 2u);
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EXPECT_TRUE(m->decorations()[0]->IsOffset());
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EXPECT_EQ(m->decorations()[0]->AsOffset()->offset(), 2u);
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EXPECT_TRUE(m->decorations()[1]->IsOffset());
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EXPECT_EQ(m->decorations()[1]->AsOffset()->offset(), 4u);
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ASSERT_EQ(m->source().range.begin.line, 2u);
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ASSERT_EQ(m->source().range.begin.column, 15u);
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ASSERT_EQ(m->source().range.end.line, 2u);
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ASSERT_EQ(m->source().range.end.column, 16u);
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}
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TEST_F(ParserImplTest, StructMember_InvalidDecoration) {
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auto* p = parser("[[offset(nan)]] a : i32;");
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auto m = p->struct_member();
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ASSERT_TRUE(p->has_error());
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ASSERT_EQ(m, nullptr);
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EXPECT_EQ(p->error(),
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"1:10: expected signed integer literal for offset decoration");
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}
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TEST_F(ParserImplTest, StructMember_InvalidVariable) {
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auto* p = parser("[[offset(4)]] a : B;");
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auto m = p->struct_member();
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ASSERT_TRUE(p->has_error());
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ASSERT_EQ(m, nullptr);
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EXPECT_EQ(p->error(), "1:19: unknown constructed type 'B'");
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}
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TEST_F(ParserImplTest, StructMember_MissingSemicolon) {
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auto* p = parser("a : i32");
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auto m = p->struct_member();
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ASSERT_TRUE(p->has_error());
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ASSERT_EQ(m, nullptr);
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EXPECT_EQ(p->error(), "1:8: expected ';' for struct member");
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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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