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wpiutil UidVector: Implement clear() and forward iterator (#1293)

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The forward iterator only iterates over "live" elements.

Also add a couple of unit tests for UidVector.
This commit is contained in:
Peter Johnson
2018-08-24 20:39:57 -07:00
committed by GitHub
parent 8d91343bf5
commit d6d5321828
2 changed files with 131 additions and 1 deletions
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48
wpiutil/src/test/native/cpp/UidVectorTest.cpp Normal file
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/*----------------------------------------------------------------------------*/
/* Copyright (c) 2018 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#include "wpi/UidVector.h" // NOLINT(build/include_order)
#include "gtest/gtest.h"
namespace wpi {
TEST(UidVectorTest, Empty) {
UidVector<int, 4> v;
ASSERT_TRUE(v.empty());
v.emplace_back(1);
ASSERT_FALSE(v.empty());
}
TEST(UidVectorTest, Erase) {
UidVector<int, 4> v;
size_t uid = v.emplace_back(1);
v.erase(uid);
ASSERT_TRUE(v.empty());
}
TEST(UidVectorTest, Clear) {
UidVector<int, 4> v;
v.emplace_back(1);
v.emplace_back(2);
v.clear();
ASSERT_TRUE(v.empty());
}
TEST(UidVectorTest, Iterate) {
UidVector<int, 4> v;
v.emplace_back(2);
v.emplace_back(1);
std::vector<int> out;
for (auto&& val : v) out.push_back(val);
ASSERT_EQ(out.size(), 2u);
EXPECT_EQ(out[0], 2);
EXPECT_EQ(out[1], 1);
}
} // namespace wpi