firefox-main/dom/quota/test/gtest/TestFlatten.cpp (file symbol)

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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "Flatten.h"
#include "gtest/gtest.h"
#include "nsTArray.h"
namespace mozilla::dom::quota {
#ifdef __clang__
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunreachable-code-loop-increment"
#endif
TEST(DOM_Quota_Flatten, FlatEmpty)
{
auto range = Flatten<int>(nsTArray<int>{});
EXPECT_EQ(std::distance(range.begin(), range.end()), 0);
for (const auto& item : range) {
(void)item;
FAIL(); // should never execute
}
}
TEST(DOM_Quota_Flatten, NestedOuterEmpty)
{
auto range = Flatten<int>(nsTArray<CopyableTArray<int>>{});
EXPECT_EQ(std::distance(range.begin(), range.end()), 0);
for (const auto& item : range) {
(void)item;
FAIL();
}
}
TEST(DOM_Quota_Flatten, NestedInnerEmpty)
{
auto range =
Flatten<int>(nsTArray<CopyableTArray<int>>{CopyableTArray<int>{}});
EXPECT_EQ(std::distance(range.begin(), range.end()), 0);
for (const auto& item : range) {
(void)item;
FAIL();
}
}
#ifdef __clang__
# pragma clang diagnostic pop
#endif
TEST(DOM_Quota_Flatten, NestedInnerSingular)
{
auto range =
Flatten<int>(nsTArray<CopyableTArray<int>>{CopyableTArray<int>{1}});
EXPECT_EQ(std::distance(range.begin(), range.end()), 1);
nsTArray<int> flattened;
for (const auto& item : range) {
flattened.AppendElement(item);
}
EXPECT_EQ(nsTArray{1}, flattened);
}
TEST(DOM_Quota_Flatten, NestedInnerSingulars)
{
auto range = Flatten<int>(nsTArray<CopyableTArray<int>>{
CopyableTArray<int>{1}, CopyableTArray<int>{2}});
EXPECT_EQ(std::distance(range.begin(), range.end()), 2);
nsTArray<int> flattened;
for (const auto& item : range) {
flattened.AppendElement(item);
}
EXPECT_EQ((nsTArray<int>{{1, 2}}), flattened);
}
TEST(DOM_Quota_Flatten, NestedInnerNonSingulars)
{
auto range = Flatten<int>(nsTArray<CopyableTArray<int>>{
CopyableTArray<int>{1, 2}, CopyableTArray<int>{3, 4}});
EXPECT_EQ(std::distance(range.begin(), range.end()), 4);
nsTArray<int> flattened;
for (const auto& item : range) {
flattened.AppendElement(item);
}
EXPECT_EQ((nsTArray<int>{{1, 2, 3, 4}}), flattened);
}
} // namespace mozilla::dom::quota