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f148f0891b
This CL updates the WGSL parser to parse `default` as a case selector value. Bug: tint:1633 Change-Id: I57661d25924e36bec5c03f96399c557fb7bbf760 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/106382 Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Commit-Queue: Ben Clayton <bclayton@google.com> Auto-Submit: Dan Sinclair <dsinclair@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
130 lines
4.2 KiB
C++
130 lines
4.2 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/tint/ast/case_statement.h"
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#include "gtest/gtest-spi.h"
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#include "src/tint/ast/discard_statement.h"
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#include "src/tint/ast/if_statement.h"
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#include "src/tint/ast/test_helper.h"
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using namespace tint::number_suffixes; // NOLINT
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namespace tint::ast {
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namespace {
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using CaseStatementTest = TestHelper;
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TEST_F(CaseStatementTest, Creation_i32) {
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auto* selector = CaseSelector(2_i);
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utils::Vector b{selector};
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auto* discard = create<DiscardStatement>();
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auto* body = create<BlockStatement>(utils::Vector{discard});
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auto* c = create<CaseStatement>(b, body);
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ASSERT_EQ(c->selectors.Length(), 1u);
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EXPECT_EQ(c->selectors[0], selector);
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ASSERT_EQ(c->body->statements.Length(), 1u);
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EXPECT_EQ(c->body->statements[0], discard);
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}
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TEST_F(CaseStatementTest, Creation_u32) {
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auto* selector = CaseSelector(2_u);
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utils::Vector b{selector};
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auto* discard = create<DiscardStatement>();
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auto* body = create<BlockStatement>(utils::Vector{discard});
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auto* c = create<CaseStatement>(b, body);
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ASSERT_EQ(c->selectors.Length(), 1u);
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EXPECT_EQ(c->selectors[0], selector);
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ASSERT_EQ(c->body->statements.Length(), 1u);
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EXPECT_EQ(c->body->statements[0], discard);
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}
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TEST_F(CaseStatementTest, ContainsDefault_WithDefault) {
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utils::Vector b{CaseSelector(2_u), DefaultCaseSelector()};
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auto* c = create<CaseStatement>(b, create<BlockStatement>(utils::Empty));
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EXPECT_TRUE(c->ContainsDefault());
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}
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TEST_F(CaseStatementTest, ContainsDefault_WithOutDefault) {
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utils::Vector b{CaseSelector(2_u), CaseSelector(3_u)};
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auto* c = create<CaseStatement>(b, create<BlockStatement>(utils::Empty));
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EXPECT_FALSE(c->ContainsDefault());
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}
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TEST_F(CaseStatementTest, Creation_WithSource) {
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utils::Vector b{CaseSelector(2_i)};
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auto* body = create<BlockStatement>(utils::Vector{
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create<DiscardStatement>(),
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});
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auto* c = create<CaseStatement>(Source{Source::Location{20, 2}}, b, body);
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auto src = c->source;
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EXPECT_EQ(src.range.begin.line, 20u);
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EXPECT_EQ(src.range.begin.column, 2u);
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}
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TEST_F(CaseStatementTest, IsCase) {
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auto* c = create<CaseStatement>(utils::Vector{DefaultCaseSelector()},
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create<BlockStatement>(utils::Empty));
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EXPECT_TRUE(c->Is<CaseStatement>());
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}
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TEST_F(CaseStatementTest, Assert_Null_Body) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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b.create<CaseStatement>(utils::Vector{b.DefaultCaseSelector()}, nullptr);
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},
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"internal compiler error");
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}
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TEST_F(CaseStatementTest, Assert_Null_Selector) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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b.create<CaseStatement>(utils::Vector<const ast::CaseSelector*, 1>{nullptr},
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b.create<BlockStatement>(utils::Empty));
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},
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"internal compiler error");
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}
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TEST_F(CaseStatementTest, Assert_DifferentProgramID_Call) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.create<CaseStatement>(utils::Vector{b1.DefaultCaseSelector()},
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b2.create<BlockStatement>(utils::Empty));
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},
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"internal compiler error");
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}
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TEST_F(CaseStatementTest, Assert_DifferentProgramID_Selector) {
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b1;
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ProgramBuilder b2;
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b1.create<CaseStatement>(utils::Vector{b2.CaseSelector(b2.Expr(2_i))},
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b1.create<BlockStatement>(utils::Empty));
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},
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"internal compiler error");
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}
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} // namespace
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} // namespace tint::ast
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