Examples of java.util.Scanner.findInLine()

java.util.Scanner.findInLine()
Attempts to find the next occurrence of a pattern constructed from the specified string, ignoring delimiters.
An invocation of this method of the form findInLine(pattern) behaves in exactly the same way as the invocation findInLine(Pattern.compile(pattern)). @param pattern a string specifying the pattern to search for @return the text that matched the specified pattern @throws IllegalStateException if this scanner is closed

        assertEquals("est", result);
        
        s = new Scanner("test\ntest");
        result = s.findInLine("est");
        assertEquals("est", result);
        result = s.findInLine("est");
        assertEquals("est", result);


        s = new Scanner("test\n123\ntest");
        result = s.findInLine("est");
        assertEquals("est", result);

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        assertEquals("est", result);
        result = s.findInLine("est");
        assertEquals("est", result);


        s = new Scanner("test\n123\ntest");
        result = s.findInLine("est");
        assertEquals("est", result);
        result = s.findInLine("est");
        // RI fails. It is a RI's bug.
        assertNull(result);
    }

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        assertEquals("est", result);


        s = new Scanner("test\n123\ntest");
        result = s.findInLine("est");
        assertEquals("est", result);
        result = s.findInLine("est");
        // RI fails. It is a RI's bug.
        assertNull(result);
    }


    /**

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     */
    public void test_findInLine_LPattern() {


        Scanner s = new Scanner("");
        try {
            s.findInLine((Pattern) null);
            fail("Should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
        String result = s.findInLine(Pattern.compile("^"));

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            s.findInLine((Pattern) null);
            fail("Should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
        String result = s.findInLine(Pattern.compile("^"));
        assertEquals("", result);
        MatchResult matchResult = s.match();
        assertEquals(0, matchResult.start());
        assertEquals(0, matchResult.end());

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        assertEquals("", result);
        MatchResult matchResult = s.match();
        assertEquals(0, matchResult.start());
        assertEquals(0, matchResult.end());


        result = s.findInLine(Pattern.compile("$"));
        assertEquals("", result);
        matchResult = s.match();
        assertEquals(0, matchResult.start());
        assertEquals(0, matchResult.end());

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        /*
         * When we use the operation of findInLine(Pattern), the match region
         * should not span the line separator.
         */
        s = new Scanner("aa\nb.b");
        result = s.findInLine(Pattern.compile("a\nb*"));
        assertNull(result);


        s = new Scanner("aa\nbb.b");
        result = s.findInLine(Pattern.compile("\\."));
        assertNull(result);

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        s = new Scanner("aa\nb.b");
        result = s.findInLine(Pattern.compile("a\nb*"));
        assertNull(result);


        s = new Scanner("aa\nbb.b");
        result = s.findInLine(Pattern.compile("\\."));
        assertNull(result);


        s = new Scanner("abcd1234test\n");
        result = s.findInLine(Pattern.compile("\\p{Lower}+"));
        assertEquals("abcd", result);

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        s = new Scanner("aa\nbb.b");
        result = s.findInLine(Pattern.compile("\\."));
        assertNull(result);


        s = new Scanner("abcd1234test\n");
        result = s.findInLine(Pattern.compile("\\p{Lower}+"));
        assertEquals("abcd", result);
        matchResult = s.match();
        assertEquals(0, matchResult.start());
        assertEquals(4, matchResult.end());

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     */
    public void test_findInLine_LPattern() {


        Scanner s = new Scanner("");
        try {
            s.findInLine((Pattern) null);
            fail("Should throw NullPointerException");
        } catch (NullPointerException e) {
            // Expected
        }
        String result = s.findInLine(Pattern.compile("^"));

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