regression test for device.c "alter"

configure.ac

@@ -1194,6 +1194,7 @@ AC_CONFIG_FILES([Makefile
                  tests/regression/misc/Makefile
                  tests/regression/sens/Makefile
                  tests/regression/temper/Makefile
+                 tests/regression/pipe/Makefile
                  tests/regression/pz/Makefile
                  tests/sensitivity/Makefile
                  tests/transient/Makefile

tests/regression/Makefile.am

@@ -1,5 +1,5 @@
 ## Process this file with automake to produce Makefile.in
 
-SUBDIRS = lib-processing parser subckt-processing func model misc sens temper pz
+SUBDIRS = lib-processing parser subckt-processing func model misc sens temper pipe pz
 
 MAINTAINERCLEANFILES = Makefile.in

tests/regression/pipe/Makefile.am

@@ -0,0 +1,13 @@
+## Process this file with automake to produce Makefile.in
+
+TESTS = alter-1.cmd
+
+TESTS_ENVIRONMENT = \
+	SPICE_SCRIPTS=$(top_srcdir)/tests/bin \
+	ngspice_vpath=$(srcdir) \
+	$(SHELL) -c '$(top_builddir)/src/ngspice -p < $$1' --
+
+EXTRA_DIST = \
+	$(TESTS)
+
+MAINTAINERCLEANFILES = Makefile.in

tests/regression/pipe/alter-1.cmd

@@ -0,0 +1,100 @@
+set prompt = ""
+let fail_count = 0
+source alter-1.cir
+op
+
+if @v1[sin][2] <> 100meg
+   echo "ERROR: tst100 failed"
+   let fail_count = fail_count + 1
+end
+
+# space after '[' is mandatory
+# alter @v1[sin] = [0 1 113meg]
+#
+# if @v1[sin][2] <> 113meg
+#    echo "ERROR: tst113 failed"
+#    let fail_count = fail_count + 1
+# end
+
+alter @v1[sin] = [ 0 1 114meg ]
+if @v1[sin][2] <> 114meg
+   echo "ERROR: tst114 failed"
+   let fail_count = fail_count + 1
+end
+
+alter @v1[sin]=[ 0 1 115meg ]
+
+if @v1[sin][2] <> 115meg
+   echo "ERROR: tst115 failed"
+   let fail_count = fail_count + 1
+end
+
+alter @v1[sin] =[ 0 1 116meg ]
+
+if @v1[sin][2] <> 116meg
+   echo "ERROR: tst116 failed"
+   let fail_count = fail_count + 1
+end
+
+alter @v1[sin]= [ 0 1 117meg ]
+
+if @v1[sin][2] <> 117meg
+   echo "ERROR: tst117 failed"
+   let fail_count = fail_count + 1
+end
+
+# this will cause a warning, because
+#   the first ']' will be a separate word
+#   instead of beeing fused with the "[sin"
+alter @v1[sin ]= [ 0 1 118meg ]
+
+if @v1[sin][2] <> 118meg
+   echo "ERROR: tst118 failed"
+   let fail_count = fail_count + 1
+end
+
+# check old syntax without '=' too
+alter v1 sin [ 0 1 119meg ]
+
+if @v1[sin][2] <> 119meg
+   print @v1[sin]
+   echo "ERROR: tst119 failed"
+   let fail_count = fail_count + 1
+end
+
+# check old syntax with '=' too
+alter v1 sin = [ 0 1 120meg ]
+
+if @v1[sin][2] <> 120meg
+   echo "ERROR: tst120 failed"
+   let fail_count = fail_count + 1
+end
+
+alter v1 sin =[ 0 1 121meg ]
+
+if @v1[sin][2] <> 121meg
+   echo "ERROR: tst121 failed"
+   let fail_count = fail_count + 1
+end
+
+alter v1 sin= [ 0 1 122meg ]
+
+if @v1[sin][2] <> 122meg
+   echo "ERROR: tst122 failed"
+   let fail_count = fail_count + 1
+end
+
+alter v1 sin=[ 0 1 123meg ]
+
+if @v1[sin][2] <> 123meg
+   echo "ERROR: tst123 failed"
+   let fail_count = fail_count + 1
+end
+
+if fail_count > 0
+  echo "ERROR: $&fail_count tests failed"
+  quit 1
+else
+  echo "INFO: all tests passed"
+  quit 0
+end