Add test cases for ticket:4359

simulation/modelica/initialization/Makefile

@@ -30,6 +30,7 @@ eventTest2.mos \
 filterBlock1.mos \
 fullRobot.mos \
 gaspropreties.mos \
+homotopy1.mos \
 initial_equation.mos \
 parameters.mos \
 parameterWithoutBinding.mos \
@@ -41,6 +42,9 @@ scaling2.mos \
 SingularInitial.mos \
 singularJacobian.mos \
 startValue.mos \
+startValue1.mos \
+startValue2.mos \
+startValue3.mos \
 underdeterminedTest1.mos \
 underdeterminedTest2.mos \
 underdeterminedTest3.mos \
@@ -73,7 +77,6 @@ OverdeterminedInitialization.Fluid.TwoVolumesFullSteadyStatePressureAndTemperatu
 # Run make failingtest
 FAILINGTESTFILES = \
 discreteTest07.mos \
-homotopy1.mos \
 
 
 # Dependency files that are not .mo .mos or Makefile

simulation/modelica/initialization/homotopy1.mos

@@ -32,7 +32,7 @@ res := OpenModelica.Scripting.readSimulationResult("initializationTests.homotopy
 //     simulationOptions = "startTime = 0.0, stopTime = 0.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'initializationTests.homotopy1', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = '-ils=2'",
 //     messages = ""
 // end SimulationResult;
-// "Warning: There are iteration variables with default zero start attribute. For more information set +d=initialization. In OMEdit Tools->Options->Simulation->OMCFlags, in OMNotebook call setCommandLineOptions("+d=initialization").
+// "Warning: There are iteration variables with default zero start attribute. For more information set -d=initialization. In OMEdit Tools->Options->Simulation->OMCFlags, in OMNotebook call setCommandLineOptions("-d=initialization").
 // "
 // {{0.0,0.0},{3.0,3.0},{-3.0,-3.0}}
 // ""

simulation/modelica/initialization/startValue1.mos

@@ -0,0 +1,36 @@
+// name: startValue1
+// keywords: initialization, start-value, states
+// status: correct
+
+loadString("
+model startValue1
+  parameter Real p1(fixed=false);
+  parameter Real p2 = 2.0;
+  Real x(start=p1, fixed=true);
+  Real y(start=p2, fixed=true);
+initial equation
+  p1 = 1.0;
+equation
+  der(x)=0;
+  der(y)=0;
+end startValue1;
+"); getErrorString();
+
+simulate(startValue1, stopTime=0.2); getErrorString();
+val(x, 0.0); getErrorString();
+val(y, 0.0); getErrorString();
+
+// Result:
+// true
+// ""
+// record SimulationResult
+//     resultFile = "startValue1_res.mat",
+//     simulationOptions = "startTime = 0.0, stopTime = 0.2, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'startValue1', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''",
+//     messages = ""
+// end SimulationResult;
+// ""
+// 1.0
+// ""
+// 2.0
+// ""
+// endResult

simulation/modelica/initialization/startValue2.mos

@@ -0,0 +1,37 @@
+// name: startValue2
+// keywords: initialization, start-value, algebraic variables
+// status: correct
+
+loadString("
+model startValue2
+  parameter Real a(fixed=false);
+  parameter Real b(fixed=false);
+  Real w(start=a);
+  Real y(start=b);
+initial equation
+  a=4;
+  b=6;
+equation
+  sin(w*y)+cos(w)*y=time;
+  sin(w*y)+sin(y)+w=(a+b)*time;
+end startValue2;
+"); getErrorString();
+
+simulate(startValue2, startTime=0.1, stopTime=0.2); getErrorString();
+val(w, 0.1); getErrorString();
+val(y, 0.1); getErrorString();
+
+// Result:
+// true
+// ""
+// record SimulationResult
+//     resultFile = "startValue2_res.mat",
+//     simulationOptions = "startTime = 0.1, stopTime = 0.2, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'startValue2', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''",
+//     messages = ""
+// end SimulationResult;
+// ""
+// 2.492275940961305
+// ""
+// -0.9661771347533339
+// ""
+// endResult

simulation/modelica/initialization/startValue3.mos

@@ -0,0 +1,32 @@
+// name: startValue3
+// keywords: initialization, start-value, parameter
+// status: correct
+
+loadString("
+model startValue3
+  parameter Real a(fixed=false);
+  parameter Real b(fixed=false);
+  Real c(start=a/b, fixed=true);
+initial equation
+  a=4;
+  b=6;
+equation
+  der(c) = 0;
+end startValue3;
+"); getErrorString();
+
+simulate(startValue3, stopTime=0.2); getErrorString();
+val(c, 0.0); getErrorString();
+
+// Result:
+// true
+// ""
+// record SimulationResult
+//     resultFile = "startValue3_res.mat",
+//     simulationOptions = "startTime = 0.0, stopTime = 0.2, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'startValue3', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''",
+//     messages = ""
+// end SimulationResult;
+// ""
+// 0.6666666666666666
+// ""
+// endResult