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Support identical minPort and maxPort in SocketUtils (#1612)

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This commit fixes a bug where an IllegalStateException was
thrown if the minPort and maxPort values supplied to
SocketUtils.findAvailableTcpPort(int, int) were identical.
This commit is contained in:
Tony Mitchell
2017-12-06 16:38:46 -08:00
committed by Sam Brannen
parent f9689dfe48
commit 9f36d170be
2 changed files with 8 additions and 1 deletions
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7
spring-core/src/test/java/org/springframework/util/SocketUtilsTests.java
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@@ -53,6 +53,13 @@ public class SocketUtilsTests {
assertPortInRange(port, PORT_RANGE_MIN, PORT_RANGE_MAX);
}
@Test
public void findAvailableTcpPortWithMinPortEqualToMaxPort() {
int minMaxPort = SocketUtils.findAvailableTcpPort();
int port = SocketUtils.findAvailableTcpPort(minMaxPort, minMaxPort);
assertEquals(minMaxPort, port);
}
@Test(expected = IllegalStateException.class)
public void findAvailableTcpPortWhenPortOnLoopbackInterfaceIsNotAvailable() throws Exception {
int port = SocketUtils.findAvailableTcpPort();