private static void test01() throws Exception {
// test01: empty input file
LabeledCSVParser parse = new LabeledCSVParser(new CSVParser(new StringReader("")));
if (parse.getLine() != null) {
throw new Exception("Expected null from getLine()");
}
if (parse.getLabels() != null) {
throw new Exception("Expected null from getLabels()");
}
if (parse.getLastLineNumber() != -1) {
throw new Exception("Expected -1 from getLastLineNumber()");
}
parse.close();
}
private static void test02() throws Exception {
// test02: input has only labels
LabeledCSVParser parse =
new LabeledCSVParser(new CSVParser(new StringReader("FIELD01,FIELD02,FIELD03")));
if (parse.getLine() != null) {
throw new Exception("Expected null from getLine()");
}
String[] labels = parse.getLabels();
if (labels.length != 3
|| !"FIELD01".equals(labels[0])
|| !"FIELD02".equals(labels[1])
|| !"FIELD03".equals(labels[2])) {
throw new Exception("Didn't get expected labels.");
}
if (parse.getLastLineNumber() != -1) {
throw new Exception("Expected -1 from getLastLineNumber()");
}
parse.close();
}
private static void test03() throws Exception {
// test03: labels + data
LabeledCSVParser parse =
new LabeledCSVParser(
new CSVParser(
new StringReader(
"FIELD01,FIELD02,FIELD03\n"
+ "9.23,\"FOO\",\"BAR\"\n"
+ "10.5,\"BAZ\",\"FOO2\"\n")));
String[] labels = parse.getLabels();
if (labels.length != 3
|| !"FIELD01".equals(labels[0])
|| !"FIELD02".equals(labels[1])
|| !"FIELD03".equals(labels[2])) {
throw new Exception("Didn't get expected labels.");
}
if (parse.getLabelIdx("FIELD01") != 0) {
throw new Exception("FIELD01 expected index of zero");
}
if (parse.getLabelIdx("FIELD02") != 1) {
throw new Exception("FIELD02 expected index of one");
}
if (parse.getLabelIdx("FIELD03") != 2) {
throw new Exception("FIELD03 expected index of two");
}
if (parse.getLabelIdx("FIELD04") != -1) {
throw new Exception("FIELD04 expected not to be present");
}
if (parse.getValueByLabel("FIELD01") != null) {
throw new Exception("Line not yet read, expected value of FIELD01 to be null.");
}
String[] line = parse.getLine();
if (line == null) {
throw new Exception("getLine() null on line 1");
}
if (parse.getLastLineNumber() != 1) {
throw new Exception("Expected 1 from getLastLineNumber()");
}
if (line.length != 3
|| !"9.23".equals(line[0])
|| !"FOO".equals(line[1])
|| !"BAR".equals(line[2])) {
throw new Exception("Didn't get expected line.");
}
if (!"9.23".equals(parse.getValueByLabel("FIELD01"))) {
throw new Exception("FIELD01 expected to have value 9.23.");
}
String value = parse.nextValue();
if (!"10.5".equals(value)) {
throw new Exception("Expected nextValue to return 10.5.");
}
try {
parse.getValueByLabel("FIELD01");
throw new Exception("IllegalStateException expected");
} catch (IllegalStateException iex) {
// expected
}
if (parse.getLastLineNumber() != 2) {
throw new Exception("Expected 2 from getLastLineNumber()");
}
line = parse.getLine();
if (line == null) {
throw new Exception("getLine() null on line 2");
}
if (parse.getLastLineNumber() != 2) {
throw new Exception("Expected 2 from getLastLineNumber()");
}
if (line.length != 2 || !"BAZ".equals(line[0]) || !"FOO2".equals(line[1])) {
throw new Exception("Didn't get expected line.");
}
try {
parse.getValueByLabel("FIELD01");
throw new Exception("IllegalStateException expected");
} catch (IllegalStateException iex) {
// expected
}
if (parse.getLine() != null) {
throw new Exception("Expected null from getLine()");
}
parse.close();
}