Vladimir Marko | 0ebe0d8 | 2017-09-21 22:50:39 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include <gtest/gtest.h> |
| 18 | |
| 19 | #include "data_type-inl.h" |
| 20 | |
Vladimir Marko | d5d2f2c | 2017-09-26 12:37:26 +0100 | [diff] [blame] | 21 | #include "base/array_ref.h" |
| 22 | #include "base/macros.h" |
Vladimir Marko | 0ebe0d8 | 2017-09-21 22:50:39 +0100 | [diff] [blame] | 23 | #include "primitive.h" |
| 24 | |
| 25 | namespace art { |
| 26 | |
| 27 | template <DataType::Type data_type, Primitive::Type primitive_type> |
| 28 | static void CheckConversion() { |
| 29 | static_assert(data_type == DataTypeFromPrimitive(primitive_type), "Conversion check."); |
| 30 | static_assert(DataType::Size(data_type) == Primitive::ComponentSize(primitive_type), |
| 31 | "Size check."); |
| 32 | } |
| 33 | |
| 34 | TEST(DataType, SizeAgainstPrimitive) { |
| 35 | CheckConversion<DataType::Type::kVoid, Primitive::kPrimVoid>(); |
| 36 | CheckConversion<DataType::Type::kBool, Primitive::kPrimBoolean>(); |
| 37 | CheckConversion<DataType::Type::kInt8, Primitive::kPrimByte>(); |
| 38 | CheckConversion<DataType::Type::kUint16, Primitive::kPrimChar>(); |
| 39 | CheckConversion<DataType::Type::kInt16, Primitive::kPrimShort>(); |
| 40 | CheckConversion<DataType::Type::kInt32, Primitive::kPrimInt>(); |
| 41 | CheckConversion<DataType::Type::kInt64, Primitive::kPrimLong>(); |
| 42 | CheckConversion<DataType::Type::kFloat32, Primitive::kPrimFloat>(); |
| 43 | CheckConversion<DataType::Type::kFloat64, Primitive::kPrimDouble>(); |
| 44 | CheckConversion<DataType::Type::kReference, Primitive::kPrimNot>(); |
| 45 | } |
| 46 | |
| 47 | TEST(DataType, Names) { |
| 48 | #define CHECK_NAME(type) EXPECT_STREQ(#type, DataType::PrettyDescriptor(DataType::Type::k##type)) |
| 49 | CHECK_NAME(Void); |
| 50 | CHECK_NAME(Bool); |
| 51 | CHECK_NAME(Int8); |
| 52 | CHECK_NAME(Uint16); |
| 53 | CHECK_NAME(Int16); |
| 54 | CHECK_NAME(Int32); |
| 55 | CHECK_NAME(Int64); |
| 56 | CHECK_NAME(Float32); |
| 57 | CHECK_NAME(Float64); |
| 58 | CHECK_NAME(Reference); |
| 59 | #undef CHECK_NAME |
| 60 | } |
| 61 | |
Vladimir Marko | d5d2f2c | 2017-09-26 12:37:26 +0100 | [diff] [blame] | 62 | TEST(DataType, IsTypeConversionImplicit) { |
| 63 | static const DataType::Type kIntegralTypes[] = { |
| 64 | DataType::Type::kBool, |
| 65 | DataType::Type::kUint8, |
| 66 | DataType::Type::kInt8, |
| 67 | DataType::Type::kUint16, |
| 68 | DataType::Type::kInt16, |
| 69 | DataType::Type::kInt32, |
| 70 | DataType::Type::kInt64, |
| 71 | }; |
| 72 | const ArrayRef<const DataType::Type> kIntegralInputTypes(kIntegralTypes); |
| 73 | // Note: kBool cannot be used as a result type. |
| 74 | DCHECK_EQ(kIntegralTypes[0], DataType::Type::kBool); |
| 75 | const ArrayRef<const DataType::Type> kIntegralResultTypes = kIntegralInputTypes.SubArray(1u); |
| 76 | |
| 77 | static const bool kImplicitIntegralConversions[][arraysize(kIntegralTypes)] = { |
| 78 | // Bool Uint8 Int8 Uint16 Int16 Int32 Int64 |
| 79 | { /* Bool N/A */ true, true, true, true, true, false }, |
| 80 | { /* Uint8 N/A */ true, false, true, true, true, false }, |
| 81 | { /* Int8 N/A */ false, true, false, true, true, false }, |
| 82 | { /* Uint16 N/A */ false, false, true, false, true, false }, |
| 83 | { /* Int16 N/A */ false, false, false, true, true, false }, |
| 84 | { /* Int32 N/A */ false, false, false, false, true, false }, |
| 85 | { /* Int64 N/A */ false, false, false, false, false, true }, |
| 86 | }; |
| 87 | static_assert(arraysize(kIntegralTypes) == arraysize(kImplicitIntegralConversions), "size check"); |
| 88 | |
| 89 | for (size_t input_index = 0; input_index != kIntegralInputTypes.size(); ++input_index) { |
| 90 | DataType::Type input_type = kIntegralInputTypes[input_index]; |
| 91 | for (size_t result_index = 1u; result_index != kIntegralResultTypes.size(); ++result_index) { |
| 92 | DataType::Type result_type = kIntegralResultTypes[result_index]; |
| 93 | EXPECT_EQ(kImplicitIntegralConversions[input_index][result_index], |
| 94 | DataType::IsTypeConversionImplicit(input_type, result_type)) |
| 95 | << input_type << " " << result_type; |
| 96 | } |
| 97 | } |
| 98 | for (DataType::Type input_type : kIntegralInputTypes) { |
| 99 | EXPECT_FALSE(DataType::IsTypeConversionImplicit(input_type, DataType::Type::kFloat32)); |
| 100 | EXPECT_FALSE(DataType::IsTypeConversionImplicit(input_type, DataType::Type::kFloat64)); |
| 101 | } |
| 102 | for (DataType::Type result_type : kIntegralResultTypes) { |
| 103 | EXPECT_FALSE(DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, result_type)); |
| 104 | EXPECT_FALSE(DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, result_type)); |
| 105 | } |
| 106 | EXPECT_TRUE( |
| 107 | DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, DataType::Type::kFloat32)); |
| 108 | EXPECT_FALSE( |
| 109 | DataType::IsTypeConversionImplicit(DataType::Type::kFloat32, DataType::Type::kFloat64)); |
| 110 | EXPECT_FALSE( |
| 111 | DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, DataType::Type::kFloat32)); |
| 112 | EXPECT_TRUE( |
| 113 | DataType::IsTypeConversionImplicit(DataType::Type::kFloat64, DataType::Type::kFloat64)); |
| 114 | } |
| 115 | |
Vladimir Marko | 0ebe0d8 | 2017-09-21 22:50:39 +0100 | [diff] [blame] | 116 | } // namespace art |