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// Copyright 2020 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/assignment_statement.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::ast {
namespace {
using AssignmentStatementTest = TestHelper;
TEST_F(AssignmentStatementTest, Creation) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(lhs, rhs);
EXPECT_EQ(stmt->lhs, lhs);
EXPECT_EQ(stmt->rhs, rhs);
}
TEST_F(AssignmentStatementTest, CreationWithSource) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(Source{Source::Location{20, 2}}, lhs, rhs);
auto src = stmt->source;
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(AssignmentStatementTest, IsAssign) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* stmt = create<AssignmentStatement>(lhs, rhs);
EXPECT_TRUE(stmt->Is<AssignmentStatement>());
}
TEST_F(AssignmentStatementTest, Assert_Null_LHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.create<AssignmentStatement>(nullptr, b.Expr(1_i));
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_Null_RHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.create<AssignmentStatement>(b.Expr(1_i), nullptr);
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_DifferentGenerationID_LHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<AssignmentStatement>(b2.Expr("lhs"), b1.Expr("rhs"));
},
"internal compiler error");
}
TEST_F(AssignmentStatementTest, Assert_DifferentGenerationID_RHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<AssignmentStatement>(b1.Expr("lhs"), b2.Expr("rhs"));
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast