Added validation test for incorrect checksum

Author: vyourtchenko-connamara

validation_test.go

@@ -85,6 +85,7 @@ func TestValidate(t *testing.T) {
 		tcCheckUserDefinedFieldsDisabled(),
 		tcCheckUserDefinedFieldsDisabledFixT(),
 		tcMultipleRepeatingGroupFields(),
+		tcCheckSumValidation(),
 	}
 
 	msg := NewMessage()
@@ -1179,6 +1180,17 @@ func tcMultipleRepeatingGroupFields() validateTest {
 	}
 }
 
+func tcCheckSumValidation() validateTest {
+	dict, _ := datadictionary.Parse("spec/FIX43.xml")
+	validator := NewValidator(defaultValidatorSettings, dict, nil)
+	return validateTest{
+		TestName:         "Checksum is incorrect",
+		Validator:        validator,
+		MessageBytes:     []byte("8=FIX.4.3
9=176
35=D
34=2
49=TW
52=20140329-22:38:45
56=ISLD
11=ID
453=2
448=PARTYID
452=3
523=SUBID
448=PARTYID2
452=3
78=1
79=ACCOUNT
80=1
21=1
40=1
54=1
38=200
55=INTC
60=20140329-22:38:45
10=006
"),
+		ExpectParseError: true,
+	}
+}
+
 func TestValidateVisitField(t *testing.T) {
 	fieldType0 := datadictionary.NewFieldType("myfield", 11, "STRING")
 	fieldDef0 := &datadictionary.FieldDef{FieldType: fieldType0}