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|
// Copyright (C) 2020 Internet Systems Consortium, Inc. ("ISC")
//
// 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 <config.h>
#include <dhcpsrv/free_lease_queue.h>
#include <gtest/gtest.h>
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
namespace {
// This test verifies that it is not allowed to add a range that overlaps with
// any existing range.
TEST(FreeLeaseQueueTest, addRangeOverlapping) {
FreeLeaseQueue lq;
// Add the initial range. This should succeed.
ASSERT_NO_THROW(lq.addRange(IOAddress("192.0.2.10"), IOAddress("192.0.3.100")));
// Let's assume the following naming convention:
// - r1s - start of the first range added.
// - r1e - end of the first range added.
// - r2s - start of the second range (will be added later in this test).
// - r2e - end of the second range (will be added later in this test).
// - ns - start of the new range colliding with existing ones.
// - ne - end of the new range colliding with existing ones.
// - #### overlap
// - ns/ne/r1s - overlap on the edges of the ranges (single address shared).
// r1s ns####r2s ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.3.199")),
BadValue);
// ns r1s###ne r1s
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.2.100")),
BadValue);
// r1s ns####ne r2s
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.3.50")),
BadValue);
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.3.200")),
BadValue);
// ns ne/r1s r1e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.2.10")),
BadValue);
// r1s r1e/ns ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.3.100"), IOAddress("192.0.3.105")),
BadValue);
// ns/ne/r1s r1e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.10"), IOAddress("192.0.2.10")),
BadValue);
// r1s r1e/ns/ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.3.100"), IOAddress("192.0.3.100")),
BadValue);
// Add another range, marked as r2s, r2e.
ASSERT_NO_THROW(lq.addRange(IOAddress("192.0.4.10"), IOAddress("192.0.5.100")));
// r1s ns####r1e ne r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.3.199")),
BadValue);
// r1s r1e r2s ns####r2e ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.4.50"), IOAddress("192.0.5.199")),
BadValue);
// r1s ns####r2s####r2e ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.5.199")),
BadValue);
// ns r1s####ne r1e r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.2.100")),
BadValue);
// r1s r1e ns r2s####ne r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.4.5"), IOAddress("192.0.4.100")),
BadValue);
// ns r1s####r1e r2s####ne r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.4.100")),
BadValue);
// r1s ns####ne r1e r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.3.50")),
BadValue);
// r1s r1e r2s ns####ne r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.4.50"), IOAddress("192.0.5.50")),
BadValue);
// r1s ns####r1e r2s####ne r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.50"), IOAddress("192.0.5.50")),
BadValue);
// ns r1s r1e ne r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.3.200")),
BadValue);
// r1s r1e ns r2s####r2e ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.4.5"), IOAddress("192.0.5.200")),
BadValue);
// ns r1s####r1e r2s####r2e ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.5.200")),
BadValue);
// ns ne/r1s r1e r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.2.5"), IOAddress("192.0.2.10")),
BadValue);
// r1s r1e/ns ne r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.3.100"), IOAddress("192.0.3.105")),
BadValue);
// r1s r1e ns ne/r2s r2e
EXPECT_THROW(lq.addRange(IOAddress("192.0.4.5"), IOAddress("192.0.4.10")),
BadValue);
// r1s r1e r2s r2e/ns ne
EXPECT_THROW(lq.addRange(IOAddress("192.0.5.100"), IOAddress("192.0.5.105")),
BadValue);
}
// This test verifies that it is not allowed to add a prefix range that overlaps with
// any existing range.
TEST(FreeLeaseQueueTest, addPrefixRangeOverlapping) {
FreeLeaseQueue lq;
// Add the initial range. This should succeed.
ASSERT_NO_THROW(lq.addRange(IOAddress("2001:db8:1::"), 64, 96));
EXPECT_THROW(lq.addRange(IOAddress("2001:db8:1:0:0:5:ffff:0"), 96, 120),
BadValue);
EXPECT_THROW(lq.addRange(IOAddress("2001:db8:1::0"), 80, 88),
BadValue);
}
// This test verifies that a range can be removed from the container.
TEST(FreeLeaseQueueTest, removeRange) {
FreeLeaseQueue lq;
// Add two ranges.
AddressRange range1(IOAddress("192.0.2.99"), IOAddress("192.0.2.100"));
AddressRange range2(IOAddress("192.0.3.99"), IOAddress("192.0.3.100"));
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
bool removed = false;
// Expect true to be returned when the range is removed.
ASSERT_NO_THROW(removed = lq.removeRange(range1));
EXPECT_TRUE(removed);
// An attempt to append an address to the removed range should not succeed.
EXPECT_FALSE(lq.append(IOAddress("192.0.2.99")));
// Removing it the second time should return false to indicate that the range
// was no longer there.
ASSERT_NO_THROW(removed = lq.removeRange(range1));
EXPECT_FALSE(removed);
// Same for the second range.
ASSERT_NO_THROW(removed = lq.removeRange(range2));
EXPECT_TRUE(removed);
ASSERT_NO_THROW(removed = lq.removeRange(range2));
EXPECT_FALSE(removed);
}
// This test verifies that a prefix range can be removed from the container.
TEST(FreeLeaseQueueTest, removePrefixRange) {
FreeLeaseQueue lq;
// Add two ranges.
PrefixRange range1(IOAddress("3000::"), 64, 96);
PrefixRange range2(IOAddress("3001::"), 64, 96);
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
bool removed = false;
// Expect true to be returned when the range is removed.
ASSERT_NO_THROW(removed = lq.removeRange(range1));
EXPECT_TRUE(removed);
// An attempt to append a prefix to the removed range should not succeed.
EXPECT_FALSE(lq.append(IOAddress("3000::5:0:0"), 96));
// Removing it the second time should return false to indicate that the range
// was no longer there.
ASSERT_NO_THROW(removed = lq.removeRange(range1));
EXPECT_FALSE(removed);
// Same for the second range.
ASSERT_NO_THROW(removed = lq.removeRange(range2));
EXPECT_TRUE(removed);
ASSERT_NO_THROW(removed = lq.removeRange(range2));
EXPECT_FALSE(removed);
}
// This test verifies that an attempt to use an address from outside the
// given range throws and that an attempt to use non-existing in-range
// address returns false.
TEST(FreeLeaseQueueTest, useInvalidAddress) {
AddressRange range(IOAddress("192.0.2.99"), IOAddress("192.0.2.100"));
FreeLeaseQueue lq;
ASSERT_NO_THROW(lq.addRange(range));
// Using out of range address.
EXPECT_THROW(lq.use(range, IOAddress("192.0.2.1")), BadValue);
// Using in-range address but not existing in the container.
bool used = true;
ASSERT_NO_THROW(used = lq.use(range, IOAddress("192.0.2.99")));
EXPECT_FALSE(used);
}
// This test verifies that an attempt to use a prefix from outside the
// given range throws and that an attempt to use non-existing in-range
// address returns false.
TEST(FreeLeaseQueueTest, useInvalidPrefix) {
PrefixRange range(IOAddress("2001:db8:1::"), 64, 96);
FreeLeaseQueue lq;
ASSERT_NO_THROW(lq.addRange(range));
// Using out of range prefix.
EXPECT_THROW(lq.use(range, IOAddress("2001:db8:2::")), BadValue);
// Using in-range prefix but not existing in the container.
bool used = false;
ASSERT_NO_THROW(used = lq.use(range, IOAddress("2001:db8:1::5:0:0")));
EXPECT_FALSE(used);
}
// Check that duplicates are eliminated when appending free address to
// the range queue.
TEST(FreeLeaseQueueTest, appendDuplicates) {
FreeLeaseQueue lq;
AddressRange range(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
ASSERT_NO_THROW(lq.addRange(range));
ASSERT_NO_THROW(lq.append(range, IOAddress("192.0.2.10")));
// Append the duplicate of the first address.
ASSERT_NO_THROW(lq.append(range, IOAddress("192.0.2.10")));
ASSERT_NO_THROW(lq.append(range, IOAddress("192.0.2.5")));
IOAddress next(0);
// The first address should be returned first.
ASSERT_NO_THROW(next = lq.next(range));
EXPECT_EQ("192.0.2.10", next.toText());
// The duplicate should not be returned. Instead, the second address should
// be returned.
ASSERT_NO_THROW(next = lq.next(range));
EXPECT_EQ("192.0.2.5", next.toText());
}
// This test verifies that it is possible to pick next address from the given
// range.
TEST(FreeLeaseQueueTest, next) {
FreeLeaseQueue lq;
// Let's create two distinct address ranges.
AddressRange range1(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
AddressRange range2(IOAddress("192.0.3.1"), IOAddress("192.0.3.255"));
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
// Append some IP addresses to those address ranges.
ASSERT_NO_THROW(lq.append(AddressRange(range1), IOAddress("192.0.2.10")));
ASSERT_NO_THROW(lq.append(AddressRange(range1), IOAddress("192.0.2.5")));
ASSERT_NO_THROW(lq.append(AddressRange(range2), IOAddress("192.0.3.23")));
ASSERT_NO_THROW(lq.append(AddressRange(range2), IOAddress("192.0.3.46")));
// Get the first address from the first range.
IOAddress next(0);
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.10", next.toText());
// Get the next one.
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.5", next.toText());
// After iterating over all addresses we should get the first one again.
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.10", next.toText());
// Repeat that test for the second address range.
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("192.0.3.23", next.toText());
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("192.0.3.46", next.toText());
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("192.0.3.23", next.toText());
// Use (remove) the address from the first range.
bool used = false;
ASSERT_NO_THROW(used = lq.use(range1, IOAddress("192.0.2.5")));
EXPECT_TRUE(used);
// We should now be getting the sole address from that range.
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.10", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.10", next.toText());
// Check the same for the second range.
ASSERT_NO_THROW(lq.use(range2, IOAddress("192.0.3.46")));
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("192.0.3.23", next.toText());
}
// This test verifies that it is possible to pick next prefix from the given
// range.
TEST(FreeLeaseQueueTest, nextPrefix) {
FreeLeaseQueue lq;
PrefixRange range1(IOAddress("2001:db8:1::"), 64, 96);
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::4:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::7:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::3:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::")));
IOAddress next = IOAddress::IPV6_ZERO_ADDRESS();
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::4:0", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::7:0", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::3:0", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::4:0", next.toText());
// Use (remove) the prefix from the range.
bool used = false;
ASSERT_NO_THROW(used = lq.use(range1, IOAddress("2001:db8:1::7:0")));
EXPECT_TRUE(used);
// After we have removed the second prefix, the third prefix should be
// returned.
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::3:0", next.toText());
}
// This test verifies that it is possible to pop next address from the given
// range.
TEST(FreeLeaseQueueTest, pop) {
FreeLeaseQueue lq;
// Let's create two distinct address ranges.
AddressRange range1(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
AddressRange range2(IOAddress("192.0.3.1"), IOAddress("192.0.3.255"));
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
// Append some IP addresses to those address ranges.
ASSERT_NO_THROW(lq.append(AddressRange(range1), IOAddress("192.0.2.10")));
ASSERT_NO_THROW(lq.append(AddressRange(range1), IOAddress("192.0.2.5")));
ASSERT_NO_THROW(lq.append(AddressRange(range2), IOAddress("192.0.3.23")));
ASSERT_NO_THROW(lq.append(AddressRange(range2), IOAddress("192.0.3.46")));
// Pop first from first range.
IOAddress next(0);
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("192.0.2.10", next.toText());
// Pop second from the first range.
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("192.0.2.5", next.toText());
// After iterating over all addresses we should get empty queue.
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_TRUE(next.isV4Zero());
// Repeat that test for the second address range.
ASSERT_NO_THROW(next = lq.pop(range2));
EXPECT_EQ("192.0.3.23", next.toText());
ASSERT_NO_THROW(next = lq.pop(range2));
EXPECT_EQ("192.0.3.46", next.toText());
ASSERT_NO_THROW(next = lq.pop(range2));
EXPECT_TRUE(next.isV4Zero());
}
// This test verifies that it is possible to pop next prefix from the given
// range.
TEST(FreeLeaseQueueTest, popPrefix) {
FreeLeaseQueue lq;
// Add the range.
PrefixRange range1(IOAddress("2001:db8:1::"), 64, 96);
ASSERT_NO_THROW(lq.addRange(range1));
// Append several prefixes to that range.
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::4:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::7:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::3:0")));
ASSERT_NO_THROW(lq.append(range1, IOAddress("2001:db8:1::")));
// Make sure we get retrieve them in the order in which they have
// been added.
IOAddress next = IOAddress::IPV6_ZERO_ADDRESS();
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("2001:db8:1::4:0", next.toText());
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("2001:db8:1::7:0", next.toText());
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("2001:db8:1::3:0", next.toText());
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_EQ("2001:db8:1::", next.toText());
// After we went over all of them they should all be gone from the
// container and the IPv6 zero address should be returned.
ASSERT_NO_THROW(next = lq.pop(range1));
EXPECT_TRUE(next.isV6Zero());
}
// Check that out of bounds address can't be appended to the range.
TEST(FreeLeaseQueueTest, nextRangeMismatch) {
AddressRange range(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
FreeLeaseQueue lq;
EXPECT_THROW(lq.append(AddressRange(range), IOAddress("192.0.3.1")),
isc::BadValue);
}
// Check that it is possible to return an address to the range and that the
// appropriate range is detected.
TEST(FreeLeaseQueueTest, detectRange) {
FreeLeaseQueue lq;
// Create three ranges.
AddressRange range1(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
AddressRange range2(IOAddress("192.0.3.1"), IOAddress("192.0.3.255"));
AddressRange range3(IOAddress("10.0.0.1"), IOAddress("10.8.1.45"));
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
ASSERT_NO_THROW(lq.addRange(range3));
// Append some addresses matching the first range.
ASSERT_NO_THROW(lq.append(IOAddress("192.0.2.7")));
ASSERT_NO_THROW(lq.append(IOAddress("192.0.2.1")));
ASSERT_NO_THROW(lq.append(IOAddress("192.0.2.255")));
// Make sure that these addresses have been appended to that range.
IOAddress next(0);
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.7", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.1", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("192.0.2.255", next.toText());
// Append some addresses matching the remaining two ranges.
ASSERT_NO_THROW(lq.append(IOAddress("10.5.4.3")));
ASSERT_NO_THROW(lq.append(IOAddress("192.0.3.98")));
ASSERT_NO_THROW(next = lq.next(range3));
EXPECT_EQ("10.5.4.3", next.toText());
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("192.0.3.98", next.toText());
// Appending out of bounds address should not succeed.
EXPECT_FALSE(lq.append(IOAddress("10.0.0.0")));
}
// Check that it is possible to return a delegated prefix to the range and
// that the appropriate range is detected.
TEST(FreeLeaseQueueTest, detectPrefixRange) {
FreeLeaseQueue lq;
// Create three ranges.
PrefixRange range1(IOAddress("2001:db8:1::"), 64, 96);
PrefixRange range2(IOAddress("2001:db8:2::"), 112, 120);
PrefixRange range3(IOAddress("2001:db8:3::"), 96, 104);
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
ASSERT_NO_THROW(lq.addRange(range3));
// Append some prefixes matching the first range.
ASSERT_NO_THROW(lq.append(IOAddress("2001:db8:1::7:0"), 96));
ASSERT_NO_THROW(lq.append(IOAddress("2001:db8:1::100:0"), 96));
ASSERT_NO_THROW(lq.append(IOAddress("2001:db8:1::4:0"), 96));
// Make sure that these prefixes have been appended to that range.
IOAddress next(0);
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::7:0", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::100:0", next.toText());
ASSERT_NO_THROW(next = lq.next(range1));
EXPECT_EQ("2001:db8:1::4:0", next.toText());
// Append some prefixes matching the remaining two ranges.
ASSERT_NO_THROW(lq.append(IOAddress("2001:db8:2::10"), 120));
ASSERT_NO_THROW(lq.append(IOAddress("2001:db8:3::50"), 104));
ASSERT_NO_THROW(next = lq.next(range3));
EXPECT_EQ("2001:db8:3::50", next.toText());
ASSERT_NO_THROW(next = lq.next(range2));
EXPECT_EQ("2001:db8:2::10", next.toText());
// Appending out of bounds prefix should not succeed.
EXPECT_FALSE(lq.append(IOAddress("2001:db8:4::10"), 96));
EXPECT_FALSE(lq.append(IOAddress("2001:db8:2::30"), 97));
}
// This test verifies that false is returned if the specified address to be
// appended does not belong to any of the existing ranges.
TEST(FreeLeaseQueueTest, detectRangeFailed) {
AddressRange range(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
FreeLeaseQueue lq;
ASSERT_NO_THROW(lq.addRange(range));
EXPECT_FALSE(lq.append(IOAddress("192.0.3.7")));
}
// This test verifies that it is possible to append IP addresses to the
// selected range via random access index.
TEST(FreeLeaseQueueTest, appendThroughRangeIndex) {
FreeLeaseQueue lq;
AddressRange range1(IOAddress("192.0.2.1"), IOAddress("192.0.2.255"));
AddressRange range2(IOAddress("192.0.3.1"), IOAddress("192.0.3.255"));
AddressRange range3(IOAddress("10.0.0.1"), IOAddress("10.8.1.45"));
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
ASSERT_NO_THROW(lq.addRange(range3));
uint64_t index1 = 0;
ASSERT_NO_THROW(index1 = lq.getRangeIndex(range1));
uint64_t index2 = 0;
ASSERT_NO_THROW(index2 = lq.getRangeIndex(range2));
uint64_t index3 = 0;
ASSERT_NO_THROW(index3 = lq.getRangeIndex(range3));
EXPECT_NE(index1, index2);
EXPECT_NE(index2, index3);
EXPECT_NE(index1, index3);
ASSERT_NO_THROW(lq.append(index1, IOAddress("192.0.2.50")));
ASSERT_NO_THROW(lq.append(index2, IOAddress("192.0.3.50")));
ASSERT_NO_THROW(lq.append(index3, IOAddress("10.1.1.50")));
ASSERT_THROW(lq.append(index2, IOAddress("10.1.1.51")), BadValue);
ASSERT_THROW(lq.append(index3, IOAddress("192.0.3.34")), BadValue);
}
// This test verifies that it is possible to append delegated prefixes to the
// selected range via random access index.
TEST(FreeLeaseQueueTest, appendPrefixThroughRangeIndex) {
FreeLeaseQueue lq;
PrefixRange range1(IOAddress("2001:db8:1::"), 64, 96);
PrefixRange range2(IOAddress("2001:db8:2::"), 64, 96);
PrefixRange range3(IOAddress("2001:db8:3::"), 64, 96);
ASSERT_NO_THROW(lq.addRange(range1));
ASSERT_NO_THROW(lq.addRange(range2));
ASSERT_NO_THROW(lq.addRange(range3));
uint64_t index1 = 0;
ASSERT_NO_THROW(index1 = lq.getRangeIndex(range1));
uint64_t index2 = 0;
ASSERT_NO_THROW(index2 = lq.getRangeIndex(range2));
uint64_t index3 = 0;
ASSERT_NO_THROW(index3 = lq.getRangeIndex(range3));
EXPECT_NE(index1, index2);
EXPECT_NE(index2, index3);
EXPECT_NE(index1, index3);
ASSERT_NO_THROW(lq.append(index1, IOAddress("2001:db8:1::5:0:0")));
ASSERT_NO_THROW(lq.append(index2, IOAddress("2001:db8:2::7:0:0")));
ASSERT_NO_THROW(lq.append(index3, IOAddress("2001:db8:3::2:0:0")));
ASSERT_THROW(lq.append(index2, IOAddress("2001:db8:3::3:0:0")), BadValue);
ASSERT_THROW(lq.append(index3, IOAddress("2001:db8:2::8:0:0")), BadValue);
}
} // end of anonymous namespace
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