@Test
public void testRead() {
try (FileInput instance = new FileInput(testsFileName)) {
String str =
"token1,token2,token3\n\napples, oranges, pears\none , two , three\na,b,c,d,e,f\nunos, dos,tres,,quatorze\n\nlast, complete, line,\n# comment1, comment2, comment3\n\n";
String contents = instance.read();
assertTrue(str.equals(contents));
} catch (IOException ex) {
fail("Caught IOException in testReadNextLine()");
}
}
@Test
public void testReadNextLine() {
try (FileInput instance = new FileInput(testsFileName)) {
String line = instance.readNextLine();
assertTrue("token1,token2,token3".equals(line));
line = instance.readNextLine();
assertTrue("apples, oranges, pears".equals(line));
line = instance.readNextLine();
assertTrue("one , two , three".equals(line));
line = instance.readNextLine();
assertTrue("a,b,c,d,e,f".equals(line));
line = instance.readNextLine();
assertTrue("unos, dos,tres,,quatorze".equals(line));
line = instance.readNextLine();
assertTrue("last, complete, line,".equals(line));
line = instance.readNextLine();
assertNull(line);
} catch (IOException ex) {
fail("Caught IOException in testReadNextLine()");
}
}
@Test
public void testReadNextLineAsTokensUsingDefaultSeparator() {
try (FileInput instance = new FileInput(testsFileName)) {
List<String> line = instance.readLine();
assertTrue(Arrays.asList("token1", "token2", "token3").equals(line));
line = instance.readLine();
assertTrue(Arrays.asList("apples", "", "oranges", "", "pears").equals(line));
line = instance.readLine();
assertTrue(Arrays.asList("one", "", "", "two", "", "", "three").equals(line));
line = instance.readLine();
assertTrue(Arrays.asList("a", "b", "c", "d", "e", "f").equals(line));
line = instance.readLine();
assertTrue(Arrays.asList("unos", "", "dos", "tres", "", "quatorze").equals(line));
line = instance.readLine();
assertTrue(Arrays.asList("last", "", "complete", "", "line", "").equals(line));
line = instance.readLine();
assertTrue(line.isEmpty());
} catch (IOException ex) {
fail("Caught IOException in testReadNextLine()");
}
}
@Test
public void testclose() {
try (FileInput instance = new FileInput(testsFileName)) {
instance.readLine();
instance.readLine();
instance.close();
try {
instance.readLine();
fail(
"Expected IOException to be thrown after using a method on a closed FileInput object.");
} catch (IOException ex) {
// we expect an IOException to be caught here because the FileInput object is closed when
// the readLine
// method is called.
}
} catch (IOException ex) {
fail("Caught IOException in testClose()");
}
}
