// Parse parser operands.
func (operands *Label) Parse(source string) (string, bool) {
label := operand.NewLabel()
remains, ok := label.Parse(source)
if !ok {
return source, false
}
operands.Operands = []operand.Operand{label}
return remains, true
}
// Parse parser operands.
func (operands *LabelLabel) Parse(source string) (string, bool) {
label1 := operand.NewLabel()
remains, ok := label1.Parse(source)
if !ok {
return source, false
}
remains, ok = share.NewComma().Parse(remains)
if !ok {
return source, false
}
label2 := operand.NewLabel()
remains, ok = label2.Parse(source)
if !ok {
return source, false
}
operands.Operands = []operand.Operand{label1, label2}
return remains, true
}
func TestOperandLabelParse(t *testing.T) {
testCaseList := []testCaseForTestOperandLabelParse{
// This is a comment line.
{
data: "; This is a comment",
expectedRemains: "; This is a comment",
expectedOK: false,
expectedOperandSingleValue: "",
expectedHasValue: false,
},
// A OperandLabel must be starts without any sapce.
{
data: " BUF,LEN ",
expectedRemains: ",LEN ",
expectedOK: true,
expectedOperandSingleValue: "BUF",
expectedHasValue: true,
},
{
data: "DATA1, DATA2",
expectedRemains: ", DATA2",
expectedOK: true,
expectedOperandSingleValue: "DATA1",
expectedHasValue: true,
},
{
data: " DATA1",
expectedRemains: "",
expectedOK: true,
expectedOperandSingleValue: "DATA1",
expectedHasValue: true,
},
{
data: "DATA1 ; this is comment",
expectedRemains: "; this is comment",
expectedOK: true,
expectedOperandSingleValue: "DATA1",
expectedHasValue: true,
},
}
for testIndex, testCase := range testCaseList {
target := operand.NewLabel()
testData := testCase.data
expectedRemains := testCase.expectedRemains
expectedOK := testCase.expectedOK
expectedOperandSingleValue := testCase.expectedOperandSingleValue
expectedHasValue := testCase.expectedHasValue
actualRemains, actualOK := target.Parse(testData)
if actualRemains != expectedRemains {
t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedRemains, actualRemains)
}
if actualOK != expectedOK {
t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedOK, actualOK)
}
actualOperandSingleValue := target.SingleValue
if actualOperandSingleValue != expectedOperandSingleValue {
t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedOperandSingleValue, actualOperandSingleValue)
}
actualHasValue := target.HasValue
if actualHasValue != expectedHasValue {
t.Errorf("testCase[%d]=%#v, expected=%#v, actual=%#v\n", testIndex, testData, expectedHasValue, actualHasValue)
}
}
}