tests/regression/misc/bugs-1.cir, regression test for bug #294

configure.ac

@@ -1182,6 +1182,7 @@ AC_CONFIG_FILES([Makefile
                  tests/regression/parser/Makefile
                  tests/regression/func/Makefile
                  tests/regression/model/Makefile
+                 tests/regression/misc/Makefile
                  tests/sensitivity/Makefile
                  tests/transient/Makefile
                  tests/transmission/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
+SUBDIRS = lib-processing parser subckt-processing func model misc
 
 MAINTAINERCLEANFILES = Makefile.in

tests/regression/misc/Makefile.am

@@ -0,0 +1,12 @@
+## Process this file with automake to produce Makefile.in
+
+
+TESTS = bugs-1.cir
+
+TESTS_ENVIRONMENT = ngspice_vpath=$(srcdir) $(SHELL) $(top_srcdir)/tests/bin/check.sh $(top_builddir)/src/ngspice
+
+EXTRA_DIST = \
+	$(TESTS) \
+	$(TESTS:.cir=.out)
+
+MAINTAINERCLEANFILES = Makefile.in

tests/regression/misc/bugs-1.cir

@@ -0,0 +1,51 @@
+test for regression of already fixed bugs
+
+* (exec-spice "ngspice -b %s")
+
+* Bug Tracker
+*   #294 B source failure when using an unary minus
+
+b1001_t  n1001_t 0  V=(- (5))
+v1001_g  n1001_g 0  -5
+
+v1002_aux aux1002 0 DC=3
+
+b1002_t  n1002_t 0  V=(-(v(aux1002)))
+v1002_g  n1002_g 0  -3
+
+* ----------------------------------------
+
+.control
+
+define mismatch(a,b,err) abs(a-b)>err
+
+op
+
+let total_count = 0
+let fail_count = 0
+
+let tests = 1001 + vector(2)
+
+foreach n $&tests
+  set n_test = "n{$n}_t"
+  set n_gold = "n{$n}_g"
+  if mismatch(v($n_test), v($n_gold), 1e-9)
+    let v_test = v($n_test)
+    let v_gold = v($n_gold)
+    echo "ERROR, test failure, v($n_test) = $&v_test but should be $&v_gold"
+    let fail_count = fail_count + 1
+  end
+  let total_count = total_count + 1
+end
+
+if fail_count > 0
+  echo "ERROR: $&fail_count of $&total_count tests failed"
+  quit 1
+else
+  echo "INFO: $&fail_count of $&total_count tests failed"
+  quit 0
+end
+
+.endc
+
+.end

tests/regression/misc/bugs-1.out

@@ -0,0 +1,8 @@
+
+Circuit: test for regression of already fixed bugs
+
+Doing analysis at TEMP = 27.000000 and TNOM = 27.000000
+
+
+No. of Data Rows : 1
+INFO: 0 of 2 tests failed