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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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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#include "src/tint/lang/wgsl/ast/if_statement.h"
#include "gmock/gmock.h"
#include "src/tint/lang/wgsl/ast/discard_statement.h"
#include "src/tint/lang/wgsl/ast/helper_test.h"
namespace tint::ast {
namespace {
using IfStatementTest = TestHelper;
TEST_F(IfStatementTest, Creation) {
auto* cond = Expr("cond");
auto* stmt = If(Source{Source::Location{20, 2}}, cond, Block(create<DiscardStatement>()));
auto src = stmt->source;
EXPECT_EQ(src.range.begin.line, 20u);
EXPECT_EQ(src.range.begin.column, 2u);
}
TEST_F(IfStatementTest, Creation_WithAttributes) {
auto* attr1 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "foo");
auto* attr2 = DiagnosticAttribute(wgsl::DiagnosticSeverity::kOff, "bar");
auto* cond = Expr("cond");
auto* stmt = If(cond, Block(), ElseStmt(), tint::Vector{attr1, attr2});
EXPECT_THAT(stmt->attributes, testing::ElementsAre(attr1, attr2));
}
TEST_F(IfStatementTest, IsIf) {
auto* stmt = If(Expr(true), Block());
EXPECT_TRUE(stmt->Is<IfStatement>());
}
TEST_F(IfStatementTest, Assert_Null_Condition) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.If(nullptr, b.Block());
},
"internal compiler error");
}
TEST_F(IfStatementTest, Assert_Null_Body) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.If(b.Expr(true), nullptr);
},
"internal compiler error");
}
TEST_F(IfStatementTest, Assert_InvalidElse) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b;
b.If(b.Expr(true), b.Block(), b.Else(b.CallStmt(b.Call("foo"))));
},
"internal compiler error");
}
TEST_F(IfStatementTest, Assert_DifferentGenerationID_Cond) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.If(b2.Expr(true), b1.Block());
},
"internal compiler error");
}
TEST_F(IfStatementTest, Assert_DifferentGenerationID_Body) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.If(b1.Expr(true), b2.Block());
},
"internal compiler error");
}
TEST_F(IfStatementTest, Assert_DifferentGenerationID_ElseStatement) {
EXPECT_DEATH_IF_SUPPORTED(
{
ProgramBuilder b1;
ProgramBuilder b2;
b1.If(b1.Expr(true), b1.Block(), b2.Else(b2.If(b2.Expr("ident"), b2.Block())));
},
"internal compiler error");
}
} // namespace
} // namespace tint::ast