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+;;;; signals.test --- test suite for Guile's signal functions -*- scheme -*-
+;;;;
+;;;; Copyright (C) 2009, 2014, 2017 Free Software Foundation, Inc.
+;;;;
+;;;; This library is free software; you can redistribute it and/or
+;;;; modify it under the terms of the GNU Lesser General Public
+;;;; License as published by the Free Software Foundation; either
+;;;; version 3 of the License, or (at your option) any later version.
+;;;;
+;;;; This library is distributed in the hope that it will be useful,
+;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;;;; Lesser General Public License for more details.
+;;;;
+;;;; You should have received a copy of the GNU Lesser General Public
+;;;; License along with this library; if not, write to the Free
+;;;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;;;; Boston, MA 02110-1301 USA
+
+(define-module (test-suite test-signals)
+ #:use-module (ice-9 match)
+ #:use-module (test-suite lib))
+
+(with-test-prefix "sigaction"
+
+ (pass-if-exception "handler arg is an invalid integer"
+ exception:out-of-range
+ (sigaction SIGINT 51))
+
+ )
+
+(define (time-pair->secs secs-usecs-pair)
+ (match secs-usecs-pair
+ ((secs . usecs)
+ (+ secs (/ usecs 1e6)))))
+
+(when (defined? 'setitimer)
+ (with-test-prefix "setitimer"
+ (with-test-prefix "current itimers are 0"
+ (pass-if "ITIMER_REAL"
+ (equal? (setitimer ITIMER_REAL 0 0 0 0)
+ '((0 . 0) (0 . 0))))
+ (pass-if "ITIMER_VIRTUAL"
+ (if (not (provided? 'ITIMER_VIRTUAL))
+ (throw 'unsupported)
+ (equal? (setitimer ITIMER_VIRTUAL 0 0 0 0)
+ '((0 . 0) (0 . 0)))))
+ (pass-if "ITIMER_PROF"
+ (if (not (provided? 'ITIMER_PROF))
+ (throw 'unsupported)
+ (equal? (setitimer ITIMER_PROF 0 0 0 0)
+ '((0 . 0) (0 . 0))))))
+
+ (with-test-prefix "setting values correctly"
+ (pass-if "initial setting"
+ (if (not (provided? 'ITIMER_PROF))
+ (throw 'unsupported)
+ (equal? (setitimer ITIMER_PROF 1 0 3 0)
+ '((0 . 0) (0 . 0)))))
+ (pass-if "reset to zero"
+ (if (not (provided? 'ITIMER_PROF))
+ (throw 'unsupported)
+ (match (setitimer ITIMER_PROF 0 0 0 0)
+ ((interval value)
+ ;; We don't presume that the timer is strictly lower than the
+ ;; value at which we set it, given its limited internal
+ ;; precision. Assert instead that the timer is between 2 and
+ ;; 3.5 seconds.
+ (and (<= 0.9 (time-pair->secs interval) 1.1)
+ (<= 2.0 (time-pair->secs value) 3.5)))))))
+
+ (with-test-prefix "usecs > 1e6"
+ (pass-if "initial setting"
+ (if (not (provided? 'ITIMER_PROF))
+ (throw 'unsupported)
+ (equal? (setitimer ITIMER_PROF 1 0 0 #e3e6)
+ '((0 . 0) (0 . 0)))))
+ (pass-if "reset to zero"
+ (if (not (provided? 'ITIMER_PROF))
+ (throw 'unsupported)
+ (match (setitimer ITIMER_PROF 0 0 0 0)
+ ((interval value)
+ ;; We don't presume that the timer is strictly lower than the
+ ;; value at which we set it, given its limited internal
+ ;; precision. Assert instead that the timer is between 2 and
+ ;; 3.5 seconds.
+ (and (<= 0.9 (time-pair->secs interval) 1.1)
+ (<= 2.0 (time-pair->secs value) 3.5)
+ (match value
+ ((secs . usecs)
+ (<= 0 usecs 999999)))))))))))