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//===-- flang/unittests/Runtime/Inquiry.cpp -------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "flang/Runtime/inquiry.h"
#include "gtest/gtest.h"
#include "tools.h"
#include "flang/Runtime/type-code.h"
using namespace Fortran::runtime;
using Fortran::common::TypeCategory;
TEST(Inquiry, Lbound) {
// ARRAY 1 3 5
// 2 4 6
auto array{MakeArray<TypeCategory::Integer, 4>(
std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
array->GetDimension(0).SetLowerBound(0);
array->GetDimension(1).SetLowerBound(-1);
EXPECT_EQ(RTNAME(LboundDim)(*array, 1, __FILE__, __LINE__), std::int64_t{0});
EXPECT_EQ(RTNAME(LboundDim)(*array, 2, __FILE__, __LINE__), std::int64_t{-1});
}
TEST(Inquiry, Ubound) {
// ARRAY 1 3 5
// 2 4 6
auto array{MakeArray<TypeCategory::Integer, 4>(
std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
array->GetDimension(0).SetLowerBound(1000);
array->GetDimension(1).SetLowerBound(1);
StaticDescriptor<2, true> statDesc;
int intValue{1};
SubscriptValue extent[]{2};
Descriptor &result{statDesc.descriptor()};
result.Establish(TypeCategory::Integer, /*KIND=*/4,
static_cast<void *>(&intValue), 1, extent, CFI_attribute_pointer);
RTNAME(Ubound)(result, *array, /*KIND=*/4, __FILE__, __LINE__);
EXPECT_EQ(result.rank(), 1);
EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Integer, 4}.raw()));
// The lower bound of UBOUND's result array is always 1
EXPECT_EQ(result.GetDimension(0).LowerBound(), 1);
EXPECT_EQ(result.GetDimension(0).Extent(), 2);
EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int32_t>(0), 1001);
EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int32_t>(1), 3);
result.Destroy();
result = statDesc.descriptor();
result.Establish(TypeCategory::Integer, /*KIND=*/1,
static_cast<void *>(&intValue), 1, extent, CFI_attribute_pointer);
RTNAME(Ubound)(result, *array, /*KIND=*/1, __FILE__, __LINE__);
EXPECT_EQ(result.rank(), 1);
EXPECT_EQ(result.type().raw(), (TypeCode{TypeCategory::Integer, 1}.raw()));
// The lower bound of UBOUND's result array is always 1
EXPECT_EQ(result.GetDimension(0).LowerBound(), 1);
EXPECT_EQ(result.GetDimension(0).Extent(), 2);
EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int8_t>(0), -23);
EXPECT_EQ(*result.ZeroBasedIndexedElement<std::int8_t>(1), 3);
result.Destroy();
}
TEST(Inquiry, Size) {
// ARRAY 1 3 5
// 2 4 6
auto array{MakeArray<TypeCategory::Integer, 4>(
std::vector<int>{2, 3}, std::vector<std::int32_t>{1, 2, 3, 4, 5, 6})};
array->GetDimension(0).SetLowerBound(0); // shouldn't matter
array->GetDimension(1).SetLowerBound(-1);
EXPECT_EQ(RTNAME(SizeDim)(*array, 1, __FILE__, __LINE__), std::int64_t{2});
EXPECT_EQ(RTNAME(SizeDim)(*array, 2, __FILE__, __LINE__), std::int64_t{3});
EXPECT_EQ(RTNAME(Size)(*array, __FILE__, __LINE__), std::int64_t{6});
}
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