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// Copyright 2022 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#include "src/tint/lang/wgsl/ast/increment_decrement_statement.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"
namespace tint::ast {
namespace {
using IncrementDecrementStatementTest = TestHelper;
TEST_F(IncrementDecrementStatementTest, Creation) {
auto* expr = Expr("expr");
auto* i = create<IncrementDecrementStatement>(expr, true);
EXPECT_EQ(i->lhs, expr);
EXPECT_TRUE(i->increment);
}
TEST_F(IncrementDecrementStatementTest, Creation_WithSource) {
auto* expr = Expr("expr");
auto* i = create<IncrementDecrementStatement>(Source{Source::Location{20, 2}}, expr, true);
auto src = i->source;
EXPECT_EQ(i->lhs, expr);
EXPECT_TRUE(i->increment);
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(IncrementDecrementStatementTest, IsIncrementDecrement) {
auto* expr = Expr("expr");
auto* i = create<IncrementDecrementStatement>(expr, true);
EXPECT_TRUE(i->Is<IncrementDecrementStatement>());
}
TEST_F(IncrementDecrementStatementTest, Decrement) {
auto* expr = Expr("expr");
auto* i = create<IncrementDecrementStatement>(expr, false);
EXPECT_EQ(i->lhs, expr);
EXPECT_FALSE(i->increment);
}
TEST_F(IncrementDecrementStatementTest, Assert_DifferentGenerationID_Expr) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<IncrementDecrementStatement>(b2.Expr(true), true);
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast