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2194a842ba
Now that all LiteralExpressions derive from Expression, and Expr() already handles literals, there's no reason to have this duplicated functionality. Bug: tint:888 Change-Id: I677b04a3cc325311ef25f6b9983fee7548e830f4 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/69105 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: James Price <jrprice@google.com>
119 lines
3.8 KiB
C++
119 lines
3.8 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/ast/switch_statement.h"
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#include "gtest/gtest-spi.h"
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#include "src/ast/test_helper.h"
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namespace tint {
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namespace 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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CaseSelectorList lit;
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lit.push_back(create<SintLiteralExpression>(1));
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auto* ident = Expr("ident");
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CaseStatementList body;
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auto* case_stmt = create<CaseStatement>(lit, Block());
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body.push_back(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.size(), 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,
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CaseStatementList());
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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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CaseSelectorList lit;
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lit.push_back(create<SintLiteralExpression>(2));
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auto* ident = Expr("ident");
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CaseStatementList body;
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body.push_back(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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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_back(
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b.create<CaseStatement>(CaseSelectorList{b.Expr(1)}, 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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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), CaseStatementList{
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b1.create<CaseStatement>(
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CaseSelectorList{
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b1.Expr(1),
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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), CaseStatementList{
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b2.create<CaseStatement>(
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CaseSelectorList{
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b2.Expr(1),
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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 ast
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} // namespace tint
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