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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
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// 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/msl/writer/ast_printer/helper_test.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::msl::writer {
namespace {
using MslASTPrinterTest = TestHelper;
TEST_F(MslASTPrinterTest, Emit_Switch) {
auto* cond = Var("cond", ty.i32());
auto* def_body = Block(create<ast::BreakStatement>());
auto* def = Case(DefaultCaseSelector(), def_body);
auto* case_body = Block(create<ast::BreakStatement>());
auto* case_stmt = Case(CaseSelector(5_i), case_body);
Vector body{case_stmt, def};
auto* s = Switch(cond, body);
WrapInFunction(cond, s);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(s)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( switch(cond) {
case 5: {
break;
}
default: {
break;
}
}
)");
}
TEST_F(MslASTPrinterTest, Emit_Switch_MixedDefault) {
auto* cond = Var("cond", ty.i32());
auto* def_body = Block(create<ast::BreakStatement>());
auto* def = Case(Vector{CaseSelector(5_i), DefaultCaseSelector()}, def_body);
auto* s = Switch(cond, def);
WrapInFunction(cond, s);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(s)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( switch(cond) {
case 5:
default: {
break;
}
}
)");
}
} // namespace
} // namespace tint::msl::writer