test and fix client expiry

This is rarely-called code, but we need to be sure we can expire
clients correctly when thresholds are reached.  We also correctly
handle negative values of the client_expire_threshold directive.

1 files changed, 19 insertions, 0 deletions

diff --git a/test/test_fdmap.rb b/test/test_fdmap.rb
new file mode 100644
index 0000000..3525dca
--- /dev/null
+++ b/test/test_fdmap.rb
@@ -0,0 +1,19 @@
+# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> and all contributors
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+require_relative 'helper'
+
+class TestFdmap < Testcase
+  def test_fdmap_negative
+    fdmap = Yahns::Fdmap.new(Logger.new($stderr), -5)
+    nr = fdmap.instance_variable_get :@client_expire_threshold
+    assert_operator nr, :>, 0
+    assert_equal nr, Process.getrlimit(:NOFILE)[0] - 5
+  end
+
+  def test_fdmap_float
+    fdmap = Yahns::Fdmap.new(Logger.new($stderr), 0.5)
+    nr = fdmap.instance_variable_get :@client_expire_threshold
+    assert_operator nr, :>, 0
+    assert_equal nr, Process.getrlimit(:NOFILE)[0]/2
+  end
+end