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AK: Add IPv4Address::netmask_from_cidr

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This commit is contained in:
Maciej 2022-03-26 10:35:52 +01:00 • committed by Sam Atkins
parent b85666b3d2
commit 36676a1604
2 changed files with 21 additions and 1 deletions
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15
Tests/AK/TestIPv4Address.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, the SerenityOS developers.
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -151,3 +151,16 @@ TEST_CASE(should_compare)
EXPECT(addr_a != addr_b);
EXPECT(addr_a == addr_a);
}
TEST_CASE(netmask_from_cidr)
{
EXPECT(IPv4Address::netmask_from_cidr(24) == IPv4Address(255, 255, 255, 0));
EXPECT(IPv4Address::netmask_from_cidr(0) == IPv4Address(0, 0, 0, 0));
EXPECT(IPv4Address::netmask_from_cidr(32) == IPv4Address(255, 255, 255, 255));
EXPECT(IPv4Address::netmask_from_cidr(28) == IPv4Address(255, 255, 255, 240));
EXPECT(IPv4Address::netmask_from_cidr(22) == IPv4Address(255, 255, 252, 0));
EXPECT(IPv4Address::netmask_from_cidr(14) == IPv4Address(255, 252, 0, 0));
EXPECT(IPv4Address::netmask_from_cidr(6) == IPv4Address(252, 0, 0, 0));
}