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tests/hal-link-unlink/checkresult

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+#!/bin/sh
+exit 0 # test failure is indicated by test.sh exit value

tests/hal-link-unlink/hallink.py

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+#!/usr/bin/env python3
+
+import subprocess
+import hal
+
+def cmd(arg):
+    subprocess.call(arg, shell=True)
+
+h = hal.component("linktest")
+h.newpin("in", hal.HAL_FLOAT, hal.HAL_IN)
+h.newpin("inout", hal.HAL_FLOAT, hal.HAL_IO)
+h.ready()
+
+# set pin values before linking
+h['in'] = 42
+h['inout'] = 43
+assert h['in'] == 42
+assert h['inout'] == 43
+
+# make sure halcmd setp works as expected
+cmd("halcmd setp linktest.in    4712")
+cmd("halcmd setp linktest.inout 4713")
+assert h['in'] == 4712
+assert h['inout'] == 4713
+
+# create virgin signals
+cmd("halcmd newsig insig float")
+cmd("halcmd newsig inoutsig float")
+
+# link to them
+cmd("halcmd net insig    linktest.in")
+cmd("halcmd net inoutsig linktest.inout")
+
+# verify the link did not destroy the pin values
+assert h['in'] == 4712
+assert h['inout'] == 4713
+
+# now change the pin values
+h['in'] = 815
+h['inout'] = 816
+
+# unlink the pins
+cmd("halcmd unlinkp linktest.in")
+cmd("halcmd unlinkp linktest.inout")
+
+# verify the unlink did not destroy the pin values
+# but are as inherited from the signal:
+assert h['in'] == 815
+assert h['inout'] == 816
+
+# the signals should be unlinked
+#cmd("halcmd show")

tests/hal-link-unlink/test.sh

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+#!/bin/bash
+
+$REALTIME start
+python3 hallink.py
+
+exec $REALTIME stop