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Add unit tests for ipv4_range_parse.

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Covers single addresses, explicit ranges and the cidr mask boundaries.
This commit is contained in:
noctuum
2026-09-13 07:33:01 +05:00
committed by Jari Sundell
parent c984a69fd1
commit af0b600b54
3 changed files with 82 additions and 0 deletions
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test/Makefile.am
+2
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@@ -51,6 +51,8 @@ rtorrent_Test_Rpc_SOURCES = $(rtorrent_Test_Common) \
rtorrent_Test_Src_SOURCES = $(rtorrent_Test_Common) \
src/test_command_dynamic.cc \
src/test_command_dynamic.h \
src/test_command_ip.cc \
src/test_command_ip.h \
src/test_command_system.cc \
src/test_command_system.h \
src/test_command_path.cc \
test/src/test_command_ip.cc
+55
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@@ -0,0 +1,55 @@
#include "config.h"
#include "test/src/test_command_ip.h"
#include <cstdint>
CPPUNIT_TEST_SUITE_REGISTRATION(TestCommandIp);
bool ipv4_range_parse(const char* address, uint32_t* address_start, uint32_t* address_end);
static uint32_t
ipv4(uint32_t a, uint32_t b, uint32_t c, uint32_t d) {
return (a << 24) | (b << 16) | (c << 8) | d;
}
#define RANGE_ASSERT(address, expected_start, expected_end) \
{ \
uint32_t start = 0; \
uint32_t end = 0; \
\
CPPUNIT_ASSERT(ipv4_range_parse(address, &start, &end)); \
CPPUNIT_ASSERT_EQUAL(expected_start, start); \
CPPUNIT_ASSERT_EQUAL(expected_end, end); \
}
void
TestCommandIp::test_single_address() {
RANGE_ASSERT("10.1.2.3", ipv4(10, 1, 2, 3), ipv4(10, 1, 2, 3));
}
void
TestCommandIp::test_explicit_range() {
RANGE_ASSERT("10.1.2.3-10.1.2.9", ipv4(10, 1, 2, 3), ipv4(10, 1, 2, 9));
}
void
TestCommandIp::test_cidr() {
RANGE_ASSERT("10.0.0.0/8", ipv4(10, 0, 0, 0), ipv4(10, 255, 255, 255));
RANGE_ASSERT("10.1.2.0/24", ipv4(10, 1, 2, 0), ipv4(10, 1, 2, 255));
RANGE_ASSERT("10.1.2.128/25", ipv4(10, 1, 2, 128), ipv4(10, 1, 2, 255));
RANGE_ASSERT("10.1.2.3/31", ipv4(10, 1, 2, 2), ipv4(10, 1, 2, 3));
}
void
TestCommandIp::test_cidr_zero_mask() {
RANGE_ASSERT("0.0.0.0/0", ipv4(0, 0, 0, 0), ipv4(255, 255, 255, 255));
RANGE_ASSERT("10.1.2.3/0", ipv4(0, 0, 0, 0), ipv4(255, 255, 255, 255));
}
void
TestCommandIp::test_cidr_full_mask() {
RANGE_ASSERT("10.1.2.3/32", ipv4(10, 1, 2, 3), ipv4(10, 1, 2, 3));
RANGE_ASSERT("0.0.0.0/32", ipv4(0, 0, 0, 0), ipv4(0, 0, 0, 0));
RANGE_ASSERT("255.255.255.255/32", ipv4(255, 255, 255, 255), ipv4(255, 255, 255, 255));
}
test/src/test_command_ip.h
+25
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@@ -0,0 +1,25 @@
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
// ipv4_range_parse is a pure function, so this does not use test_fixture and
// the mock and logging setup that comes with it.
class TestCommandIp : public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(TestCommandIp);
CPPUNIT_TEST(test_single_address);
CPPUNIT_TEST(test_explicit_range);
CPPUNIT_TEST(test_cidr);
CPPUNIT_TEST(test_cidr_zero_mask);
CPPUNIT_TEST(test_cidr_full_mask);
CPPUNIT_TEST_SUITE_END();
public:
void test_single_address();
void test_explicit_range();
void test_cidr();
void test_cidr_zero_mask();
void test_cidr_full_mask();
};