blob: 177bc4097ea06f653b0c5537dfac38a1b13057cc [file] [log] [blame]
// Copyright 2018 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/base/span.h"
#include "third_party/base/stl_util.h"
// Tests PDFium-modifications to base::span. The name of this file is
// chosen to avoid collisions with base's span_unittest.cc
TEST(PdfiumSpan, EmptySpan) {
int stuff[] = {1, 2, 3};
pdfium::span<int> stuff_span(stuff);
pdfium::span<int> empty_first_span = stuff_span.first(0);
pdfium::span<int> empty_last_span = stuff_span.last(0);
pdfium::span<int> empty_sub_span1 = stuff_span.subspan(0, 0);
pdfium::span<int> empty_sub_span2 = stuff_span.subspan(3, 0);
EXPECT_TRUE(empty_first_span.empty());
EXPECT_TRUE(empty_last_span.empty());
EXPECT_TRUE(empty_sub_span1.empty());
EXPECT_TRUE(empty_sub_span2.empty());
}
TEST(PdfiumSpan, EmptySpanDeath) {
int stuff[] = {1, 2, 3};
pdfium::span<int> stuff_span(stuff);
pdfium::span<int> empty_span = stuff_span.last(0);
EXPECT_DEATH(empty_span[0] += 1, ".*");
}