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//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "explanations.h"
#include "test.h"
namespace {
const void* MakeItem(size_t v) {
return reinterpret_cast<const void*>(v);
}
} // namespace
TEST(Explanations, Explanations) {
Explanations exp;
exp.Record(MakeItem(1), "first explanation");
exp.Record(MakeItem(1), "second explanation");
exp.Record(MakeItem(2), "third explanation");
exp.Record(MakeItem(2), "fourth %s", "explanation");
std::vector<std::string> list;
exp.LookupAndAppend(MakeItem(0), &list);
ASSERT_TRUE(list.empty());
exp.LookupAndAppend(MakeItem(1), &list);
ASSERT_EQ(2u, list.size());
EXPECT_EQ(list[0], "first explanation");
EXPECT_EQ(list[1], "second explanation");
exp.LookupAndAppend(MakeItem(2), &list);
ASSERT_EQ(4u, list.size());
EXPECT_EQ(list[0], "first explanation");
EXPECT_EQ(list[1], "second explanation");
EXPECT_EQ(list[2], "third explanation");
EXPECT_EQ(list[3], "fourth explanation");
}
TEST(Explanations, OptionalExplanationsNonNull) {
Explanations parent;
OptionalExplanations exp(&parent);
exp.Record(MakeItem(1), "first explanation");
exp.Record(MakeItem(1), "second explanation");
exp.Record(MakeItem(2), "third explanation");
exp.Record(MakeItem(2), "fourth %s", "explanation");
std::vector<std::string> list;
exp.LookupAndAppend(MakeItem(0), &list);
ASSERT_TRUE(list.empty());
exp.LookupAndAppend(MakeItem(1), &list);
ASSERT_EQ(2u, list.size());
EXPECT_EQ(list[0], "first explanation");
EXPECT_EQ(list[1], "second explanation");
exp.LookupAndAppend(MakeItem(2), &list);
ASSERT_EQ(4u, list.size());
EXPECT_EQ(list[0], "first explanation");
EXPECT_EQ(list[1], "second explanation");
EXPECT_EQ(list[2], "third explanation");
EXPECT_EQ(list[3], "fourth explanation");
}
TEST(Explanations, OptionalExplanationsWithNullPointer) {
OptionalExplanations exp(nullptr);
exp.Record(MakeItem(1), "first explanation");
exp.Record(MakeItem(1), "second explanation");
exp.Record(MakeItem(2), "third explanation");
exp.Record(MakeItem(2), "fourth %s", "explanation");
std::vector<std::string> list;
exp.LookupAndAppend(MakeItem(0), &list);
ASSERT_TRUE(list.empty());
exp.LookupAndAppend(MakeItem(1), &list);
ASSERT_TRUE(list.empty());
exp.LookupAndAppend(MakeItem(2), &list);
ASSERT_TRUE(list.empty());
}
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