blob: 1f4a8f0b1a8dfced07399c7bfb06d293877d5457 [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/msl/writer/ast_printer/helper_test.h"
namespace tint::msl::writer {
namespace {
using MslASTPrinterTest = TestHelper;
// MSLPrinterTest.If
TEST_F(MslASTPrinterTest, Emit_If) {
auto* cond = Var("cond", ty.bool_());
auto* i = If(cond, Block(Return()));
WrapInFunction(cond, i);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(i)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( if (cond) {
return;
}
)");
}
// MSLPrinterTest.IfWithElseIf
TEST_F(MslASTPrinterTest, Emit_IfWithElseIf) {
auto* cond = Var("cond", ty.bool_());
auto* else_cond = Var("else_cond", ty.bool_());
auto* i = If(cond, Block(Return()), Else(If(else_cond, Block(Return()))));
WrapInFunction(cond, else_cond, i);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(i)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( if (cond) {
return;
} else {
if (else_cond) {
return;
}
}
)");
}
// MSLPrinterTest.IfWithElse
TEST_F(MslASTPrinterTest, Emit_IfWithElse) {
auto* cond = Var("cond", ty.bool_());
auto* i = If(cond, Block(Return()), Else(Block(Return())));
WrapInFunction(cond, i);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(i)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( if (cond) {
return;
} else {
return;
}
)");
}
// TODO(dj2): Port to MSLPrinterTest
TEST_F(MslASTPrinterTest, Emit_IfWithMultiple) {
auto* cond = Var("cond", ty.bool_());
auto* else_cond = Var("else_cond", ty.bool_());
auto* i =
If(cond, Block(Return()), Else(If(else_cond, Block(Return()), Else(Block(Return())))));
WrapInFunction(cond, else_cond, i);
ASTPrinter& gen = Build();
gen.IncrementIndent();
ASSERT_TRUE(gen.EmitStatement(i)) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"( if (cond) {
return;
} else {
if (else_cond) {
return;
} else {
return;
}
}
)");
}
} // namespace
} // namespace tint::msl::writer