unilex/scanners_test.go

75 lines
1.7 KiB
Go

package unilex
import "testing"
func TestScanNumber(t *testing.T) {
testCases := []struct {
Input string
Expected bool
Pos int
}{
{"asd", false, 0},
{"asd123", false, 0},
{"123", true, 3},
{"123asd", true, 3},
{"123.321", true, 7},
}
for _, tc := range testCases {
l := New(tc.Input)
actual := ScanNumber(l)
if actual != tc.Expected {
t.Errorf("Input: %s expected scan result: %v actual: %v", tc.Input, tc.Expected, actual)
}
if l.Pos != tc.Pos {
t.Errorf("Input: %s expected scan position: %d actual: %d", tc.Input, tc.Pos, l.Pos)
}
}
}
func TestScanAlphaNum(t *testing.T) {
testCases := []struct {
Input string
Expected bool
Pos int
}{
{"asd", true, 3},
{"asd123", true, 6},
{"123", false, 0},
{"123asd", false, 0},
{"123.321", false, 0},
{"asd!dsa", true, 3},
{"asd dsa", true, 3},
}
for _, tc := range testCases {
l := New(tc.Input)
actual := ScanAlphaNum(l)
if actual != tc.Expected {
t.Errorf("Input: %s expected scan result: %v actual: %v", tc.Input, tc.Expected, actual)
}
if l.Pos != tc.Pos {
t.Errorf("Input: %s expected scan position: %d actual: %d", tc.Input, tc.Pos, l.Pos)
}
}
}
func TestScanQuotedString(t *testing.T) {
testCases := []struct {
Input string
Expected bool
Pos int
}{
{`asd`, false, 0},
{`"asd`, false, 0},
{`"asd"qwe`, true, 5},
}
for _, tc := range testCases {
l := New(tc.Input)
actual := ScanQuotedString(l, '"')
if actual != tc.Expected {
t.Errorf("Input: %s expected scan result: %v actual: %v", tc.Input, tc.Expected, actual)
}
if l.Pos != tc.Pos {
t.Errorf("Input: %s expected scan position: %d actual: %d", tc.Input, tc.Pos, l.Pos)
}
}
}