blob: 4f25c126745b754eb9cc8df7f23739eb699fdaa5 [file] [log] [blame]
// 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
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "src/tint/lang/wgsl/writer/ast_printer/helper_test.h"
#include "gmock/gmock.h"
using namespace tint::core::number_suffixes; // NOLINT
namespace tint::wgsl::writer {
namespace {
using WgslASTPrinterTest = TestHelper;
TEST_F(WgslASTPrinterTest, Emit_Switch) {
GlobalVar("cond", ty.i32(), core::AddressSpace::kPrivate);
auto* def_body = Block(create<ast::BreakStatement>());
auto* def = Case(DefaultCaseSelector(), def_body);
auto* case_body = Block(create<ast::BreakStatement>());
auto* case_stmt = Case(Vector{CaseSelector(5_i)}, case_body);
Vector body{
case_stmt,
def,
};
auto* cond = Expr("cond");
auto* s = Switch(cond, body);
WrapInFunction(s);
ASTPrinter& gen = Build();
gen.IncrementIndent();
gen.EmitStatement(s);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"( switch(cond) {
case 5i: {
break;
}
default: {
break;
}
}
)");
}
TEST_F(WgslASTPrinterTest, Emit_Switch_MixedDefault) {
GlobalVar("cond", ty.i32(), core::AddressSpace::kPrivate);
auto* def_body = Block(create<ast::BreakStatement>());
auto* def = Case(Vector{CaseSelector(5_i), DefaultCaseSelector()}, def_body);
auto* cond = Expr("cond");
auto* s = Switch(cond, Vector{def});
WrapInFunction(s);
ASTPrinter& gen = Build();
gen.IncrementIndent();
gen.EmitStatement(s);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"( switch(cond) {
case 5i, default: {
break;
}
}
)");
}
} // namespace
} // namespace tint::wgsl::writer