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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>
112 lines
4.0 KiB
C++
112 lines
4.0 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/switch_statement.h"
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#include "gtest/gtest-spi.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 SwitchStatementTest = TestHelper;
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TEST_F(SwitchStatementTest, Creation) {
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auto* case_stmt = create<CaseStatement>(utils::Vector{CaseSelector(1_u)}, Block());
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auto* ident = Expr("ident");
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utils::Vector body{case_stmt};
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auto* stmt = create<SwitchStatement>(ident, body);
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EXPECT_EQ(stmt->condition, ident);
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ASSERT_EQ(stmt->body.Length(), 1u);
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EXPECT_EQ(stmt->body[0], case_stmt);
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}
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TEST_F(SwitchStatementTest, Creation_WithSource) {
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auto* ident = Expr("ident");
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auto* stmt = create<SwitchStatement>(Source{Source::Location{20, 2}}, ident, utils::Empty);
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auto src = stmt->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(SwitchStatementTest, IsSwitch) {
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utils::Vector lit{CaseSelector(2_i)};
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auto* ident = Expr("ident");
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utils::Vector body{create<CaseStatement>(lit, Block())};
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auto* stmt = create<SwitchStatement>(ident, body);
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EXPECT_TRUE(stmt->Is<SwitchStatement>());
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}
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TEST_F(SwitchStatementTest, Assert_Null_Condition) {
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using CaseStatementList = utils::Vector<const ast::CaseStatement*, 2>;
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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CaseStatementList cases;
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cases.Push(
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b.create<CaseStatement>(utils::Vector{b.CaseSelector(b.Expr(1_i))}, b.Block()));
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b.create<SwitchStatement>(nullptr, cases);
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},
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"internal compiler error");
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}
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TEST_F(SwitchStatementTest, Assert_Null_CaseStatement) {
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using CaseStatementList = utils::Vector<const ast::CaseStatement*, 2>;
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EXPECT_FATAL_FAILURE(
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{
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ProgramBuilder b;
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b.create<SwitchStatement>(b.Expr(true), CaseStatementList{nullptr});
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},
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"internal compiler error");
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}
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TEST_F(SwitchStatementTest, Assert_DifferentProgramID_Condition) {
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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<SwitchStatement>(b2.Expr(true), utils::Vector{
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b1.create<CaseStatement>(
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utils::Vector{
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b1.CaseSelector(b1.Expr(1_i)),
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},
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b1.Block()),
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});
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},
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"internal compiler error");
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}
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TEST_F(SwitchStatementTest, Assert_DifferentProgramID_CaseStatement) {
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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<SwitchStatement>(b1.Expr(true), utils::Vector{
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b2.create<CaseStatement>(
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utils::Vector{
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b2.CaseSelector(b2.Expr(1_i)),
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},
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b2.Block()),
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});
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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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