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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
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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#include "src/tint/lang/core/fluent_types.h"
#include "src/tint/lang/msl/writer/ast_printer/helper_test.h"
#include "src/tint/utils/text/string_stream.h"
// All ported to IR.
using namespace tint::core::fluent_types; // NOLINT
namespace tint::msl::writer {
namespace {
struct BinaryData {
const char* result;
core::BinaryOp op;
};
inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
StringStream str;
str << data.op;
out << str.str();
return out;
}
// MSLPrinterBinaryTest.Emit
using MslBinaryTest = TestParamHelper<BinaryData>;
TEST_P(MslBinaryTest, Emit) {
auto params = GetParam();
auto type = [&] {
return ((params.op == core::BinaryOp::kLogicalAnd) ||
(params.op == core::BinaryOp::kLogicalOr))
? ty.bool_()
: ty.u32();
};
auto* left = Var("left", type());
auto* right = Var("right", type());
auto* expr = create<ast::BinaryExpression>(params.op, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), params.result);
}
INSTANTIATE_TEST_SUITE_P(
MslASTPrinterTest,
MslBinaryTest,
testing::Values(BinaryData{"(left & right)", core::BinaryOp::kAnd},
BinaryData{"(left | right)", core::BinaryOp::kOr},
BinaryData{"(left ^ right)", core::BinaryOp::kXor},
BinaryData{"(left && right)", core::BinaryOp::kLogicalAnd},
BinaryData{"(left || right)", core::BinaryOp::kLogicalOr},
BinaryData{"(left == right)", core::BinaryOp::kEqual},
BinaryData{"(left != right)", core::BinaryOp::kNotEqual},
BinaryData{"(left < right)", core::BinaryOp::kLessThan},
BinaryData{"(left > right)", core::BinaryOp::kGreaterThan},
BinaryData{"(left <= right)", core::BinaryOp::kLessThanEqual},
BinaryData{"(left >= right)", core::BinaryOp::kGreaterThanEqual},
BinaryData{"(left << right)", core::BinaryOp::kShiftLeft},
BinaryData{"(left >> right)", core::BinaryOp::kShiftRight},
BinaryData{"(left + right)", core::BinaryOp::kAdd},
BinaryData{"(left - right)", core::BinaryOp::kSubtract},
BinaryData{"(left * right)", core::BinaryOp::kMultiply},
BinaryData{"(left / right)", core::BinaryOp::kDivide},
BinaryData{"(left % right)", core::BinaryOp::kModulo}));
// MSLPrinterBinaryTest_SignedOverflowDefinedBehaviour.Emit
using MslBinaryTest_SignedOverflowDefinedBehaviour = TestParamHelper<BinaryData>;
TEST_P(MslBinaryTest_SignedOverflowDefinedBehaviour, Emit) {
auto params = GetParam();
auto a_type = ty.i32();
auto b_type =
(params.op == core::BinaryOp::kShiftLeft || params.op == core::BinaryOp::kShiftRight)
? ty.u32()
: ty.i32();
auto* a = Var("a", a_type);
auto* b = Var("b", b_type);
auto* expr = create<ast::BinaryExpression>(params.op, Expr(a), Expr(b));
WrapInFunction(a, b, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), params.result);
}
using Op = core::BinaryOp;
constexpr BinaryData signed_overflow_defined_behaviour_cases[] = {
{"as_type<int>((as_type<uint>(a) << b))", Op::kShiftLeft},
{"(a >> b)", Op::kShiftRight},
{"as_type<int>((as_type<uint>(a) + as_type<uint>(b)))", Op::kAdd},
{"as_type<int>((as_type<uint>(a) - as_type<uint>(b)))", Op::kSubtract},
{"as_type<int>((as_type<uint>(a) * as_type<uint>(b)))", Op::kMultiply}};
INSTANTIATE_TEST_SUITE_P(MslASTPrinterTest,
MslBinaryTest_SignedOverflowDefinedBehaviour,
testing::ValuesIn(signed_overflow_defined_behaviour_cases));
// MSLPrinterBinaryTest_ShiftSignedOverflowDefinedBehaviour_Chained.Emit
using MslBinaryTest_SignedOverflowDefinedBehaviour_Chained = TestParamHelper<BinaryData>;
TEST_P(MslBinaryTest_SignedOverflowDefinedBehaviour_Chained, Emit) {
auto params = GetParam();
auto a_type = ty.i32();
auto b_type =
(params.op == core::BinaryOp::kShiftLeft || params.op == core::BinaryOp::kShiftRight)
? ty.u32()
: ty.i32();
auto* a = Var("a", a_type);
auto* b = Var("b", b_type);
auto* expr1 = create<ast::BinaryExpression>(params.op, Expr(a), Expr(b));
auto* expr2 = create<ast::BinaryExpression>(params.op, expr1, Expr(b));
WrapInFunction(a, b, expr2);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr2)) << gen.Diagnostics();
EXPECT_EQ(out.str(), params.result);
}
using Op = core::BinaryOp;
constexpr BinaryData signed_overflow_defined_behaviour_chained_cases[] = {
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) << b))) << b)))",
Op::kShiftLeft},
{R"(((a >> b) >> b))", Op::kShiftRight},
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) + as_type<uint>(b)))) + as_type<uint>(b))))",
Op::kAdd},
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) - as_type<uint>(b)))) - as_type<uint>(b))))",
Op::kSubtract},
{R"(as_type<int>((as_type<uint>(as_type<int>((as_type<uint>(a) * as_type<uint>(b)))) * as_type<uint>(b))))",
Op::kMultiply}};
INSTANTIATE_TEST_SUITE_P(MslASTPrinterTest,
MslBinaryTest_SignedOverflowDefinedBehaviour_Chained,
testing::ValuesIn(signed_overflow_defined_behaviour_chained_cases));
// MslPrinterTest.BinaryModF32
TEST_F(MslBinaryTest, ModF32) {
auto* left = Var("left", ty.f32());
auto* right = Var("right", ty.f32());
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kModulo, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "fmod(left, right)");
}
// MslPrinterTest.BinaryModF16
TEST_F(MslBinaryTest, ModF16) {
Enable(wgsl::Extension::kF16);
auto* left = Var("left", ty.f16());
auto* right = Var("right", ty.f16());
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kModulo, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "fmod(left, right)");
}
// MslBinaryTest.BinaryModVecF32
TEST_F(MslBinaryTest, ModVec3F32) {
auto* left = Var("left", ty.vec3<f32>());
auto* right = Var("right", ty.vec3<f32>());
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kModulo, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "fmod(left, right)");
}
// MslPrinterTest.BinaryModVec3F16
TEST_F(MslBinaryTest, ModVec3F16) {
Enable(wgsl::Extension::kF16);
auto* left = Var("left", ty.vec3<f16>());
auto* right = Var("right", ty.vec3<f16>());
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kModulo, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "fmod(left, right)");
}
// MslPrinterTest.BinaryBoolAnd
TEST_F(MslBinaryTest, BoolAnd) {
auto* left = Var("left", Expr(true));
auto* right = Var("right", Expr(false));
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kAnd, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "bool(left & right)");
}
// MslPrinterTest.BinaryBoolOr
TEST_F(MslBinaryTest, BoolOr) {
auto* left = Var("left", Expr(true));
auto* right = Var("right", Expr(false));
auto* expr = create<ast::BinaryExpression>(core::BinaryOp::kOr, Expr(left), Expr(right));
WrapInFunction(left, right, expr);
ASTPrinter& gen = Build();
StringStream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.Diagnostics();
EXPECT_EQ(out.str(), "bool(left | right)");
}
} // namespace
} // namespace tint::msl::writer