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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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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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#include "src/tint/lang/wgsl/ast/loop_statement.h"
#include "gmock/gmock.h"
#include "src/tint/lang/wgsl/ast/discard_statement.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"
#include "src/tint/lang/wgsl/ast/if_statement.h"
namespace tint::ast {
namespace {
using LoopStatementTest = TestHelper;
TEST_F(LoopStatementTest, Creation) {
auto* body = Block(create<DiscardStatement>());
auto* b = body->Last();
auto* continuing = Block(create<DiscardStatement>());
auto* l = create<LoopStatement>(body, continuing, tint::Empty);
ASSERT_EQ(l->body->statements.Length(), 1u);
EXPECT_EQ(l->body->statements[0], b);
ASSERT_EQ(l->continuing->statements.Length(), 1u);
EXPECT_EQ(l->continuing->statements[0], continuing->Last());
}
TEST_F(LoopStatementTest, Creation_WithSource) {
auto* body = Block(create<DiscardStatement>());
auto* continuing = Block(create<DiscardStatement>());
auto* l = create<LoopStatement>(Source{Source::Location{20, 2}}, body, continuing, tint::Empty);
auto src = l->source;
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(LoopStatementTest, Creation_WithAttributes) {
auto* attr1 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "foo");
auto* attr2 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "bar");
auto* body = Block(Return());
auto* l = create<LoopStatement>(body, nullptr, tint::Vector{attr1, attr2});
EXPECT_THAT(l->attributes, testing::ElementsAre(attr1, attr2));
}
TEST_F(LoopStatementTest, IsLoop) {
auto* l = create<LoopStatement>(Block(), Block(), tint::Empty);
EXPECT_TRUE(l->Is<LoopStatement>());
}
TEST_F(LoopStatementTest, HasContinuing_WithoutContinuing) {
auto* body = Block(create<DiscardStatement>());
auto* l = create<LoopStatement>(body, nullptr, tint::Empty);
EXPECT_FALSE(l->continuing);
}
TEST_F(LoopStatementTest, HasContinuing_WithContinuing) {
auto* body = Block(create<DiscardStatement>());
auto* continuing = Block(create<DiscardStatement>());
auto* l = create<LoopStatement>(body, continuing, tint::Empty);
EXPECT_TRUE(l->continuing);
}
TEST_F(LoopStatementTest, Assert_Null_Body) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.create<LoopStatement>(nullptr, nullptr, tint::Empty);
},
"internal compiler error");
}
TEST_F(LoopStatementTest, Assert_DifferentGenerationID_Body) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<LoopStatement>(b2.Block(), b1.Block(), tint::Empty);
},
"internal compiler error");
}
TEST_F(LoopStatementTest, Assert_DifferentGenerationID_Continuing) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.create<LoopStatement>(b1.Block(), b2.Block(), tint::Empty);
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast