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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.
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#include "src/tint/lang/wgsl/ast/helper_test.h"
namespace tint::ast {
namespace {
using BinaryExpressionTest = TestHelper;
TEST_F(BinaryExpressionTest, Creation) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* r = create<BinaryExpression>(core::BinaryOp::kEqual, lhs, rhs);
EXPECT_EQ(r->lhs, lhs);
EXPECT_EQ(r->rhs, rhs);
EXPECT_EQ(r->op, core::BinaryOp::kEqual);
}
TEST_F(BinaryExpressionTest, Creation_WithSource) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* r =
create<BinaryExpression>(Source{Source::Location{20, 2}}, core::BinaryOp::kEqual, lhs, rhs);
auto src = r->source;
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(BinaryExpressionTest, IsBinary) {
auto* lhs = Expr("lhs");
auto* rhs = Expr("rhs");
auto* r = create<BinaryExpression>(core::BinaryOp::kEqual, lhs, rhs);
EXPECT_TRUE(r->Is<BinaryExpression>());
}
TEST_F(BinaryExpressionTest, Assert_Null_LHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.create<BinaryExpression>(core::BinaryOp::kEqual, nullptr, b.Expr("rhs"));
},
"internal compiler error");
}
TEST_F(BinaryExpressionTest, Assert_Null_RHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.create<BinaryExpression>(core::BinaryOp::kEqual, b.Expr("lhs"), nullptr);
},
"internal compiler error");
}
TEST_F(BinaryExpressionTest, Assert_DifferentGenerationID_LHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<BinaryExpression>(core::BinaryOp::kEqual, b2.Expr("lhs"), b1.Expr("rhs"));
},
"internal compiler error");
}
TEST_F(BinaryExpressionTest, Assert_DifferentGenerationID_RHS) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<BinaryExpression>(core::BinaryOp::kEqual, b1.Expr("lhs"), b2.Expr("rhs"));
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast