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//===-- adt_test.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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of the ORC runtime.
//
//===----------------------------------------------------------------------===//

#include "adt.h"
#include "gtest/gtest.h"

#include <sstream>
#include <string>

using namespace __orc_rt;

TEST(ADTTest, SpanDefaultConstruction) {
  span<int> S;
  EXPECT_TRUE(S.empty()) << "Default constructed span not empty";
  EXPECT_EQ(S.size(), 0U) << "Default constructed span size not zero";
  EXPECT_EQ(S.begin(), S.end()) << "Default constructed span begin != end";
}

TEST(ADTTest, SpanConstructFromFixedArray) {
  int A[] = {1, 2, 3, 4, 5};
  span<int> S(A);
  EXPECT_FALSE(S.empty()) << "Span should be non-empty";
  EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
  EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
      << "Unexpected iterator range size";
  EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
  for (unsigned I = 0; I != S.size(); ++I)
    EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
}

TEST(ADTTest, SpanConstructFromIteratorAndSize) {
  int A[] = {1, 2, 3, 4, 5};
  span<int> S(&A[0], 5);
  EXPECT_FALSE(S.empty()) << "Span should be non-empty";
  EXPECT_EQ(S.size(), 5U) << "Span has unexpected size";
  EXPECT_EQ(std::distance(S.begin(), S.end()), 5U)
      << "Unexpected iterator range size";
  EXPECT_EQ(S.data(), &A[0]) << "Span data has unexpected value";
  for (unsigned I = 0; I != S.size(); ++I)
    EXPECT_EQ(S[I], A[I]) << "Unexpected span element value";
}