csv: fix missing last column

vlib/encoding/csv/csv_test.v

@@ -1,7 +1,7 @@
 import encoding.csv
 
 fn test_encoding_csv_reader() {
-	data := 'name,email,phone,other\njoe,joe@blow.com,0400000000,test\nsam,sam@likesham.com,0433000000,"test quoted field"\n#chris,chris@nomail.com,94444444,"commented row"\nmike,mike@mikesbikes.com,98888888,"bike store"\n'
+	data := 'name,email,phone,other\njoe,joe@blow.com,0400000000,test\nsam,sam@likesham.com,0433000000,"test quoted field"\n#chris,chris@nomail.com,94444444,"commented row"\n'
 	mut csv_reader := csv.new_reader(data)
 
 	mut row_count := 0
@@ -12,21 +12,26 @@ fn test_encoding_csv_reader() {
 		row_count++
 		if row_count== 1 {
 			assert row[0] == 'name'
+			assert row[1] == 'email'
+			assert row[2] == 'phone'
+			assert row[3] == 'other'
 		}
 		if row_count == 2 {
 			assert row[0] == 'joe'
+			assert row[1] == 'joe@blow.com'
+			assert row[2] == '0400000000'
+			assert row[3] == 'test'
 		}
 		if row_count == 3 {
 			assert row[0] == 'sam'
+			assert row[1] == 'sam@likesham.com'
+			assert row[2] == '0433000000'
 			// quoted field
 			assert row[3] == 'test quoted field'
 		}
-		if row_count == 4 {
-			assert row[0] == 'mike'
-		}
 	}
 
-	assert row_count == 4
+	assert row_count == 3
 }
 
 fn test_encoding_csv_writer() {

vlib/encoding/csv/reader.v

@@ -115,6 +115,7 @@ fn (r mut Reader) read_record() ?[]string {
 			// QTODO i = ...
 			j := line.index(r.delimiter.str()) or {
 				// last
+				fields << line[..line.len]
 				break
 			}
 			i = j