Examples with StringJoiner java8.util.StringJoiner used on opensource projects

Example 16 with StringJoiner

use of java8.util.StringJoiner in project streamsupport by stefan-zobel.

the class MergeTest method testMergeSelf.

public void testMergeSelf() {
    fixesStream().forEach(fixes -> {
        final StringJoiner sj = new StringJoiner(",", fixes.pre0, fixes.suf0).add("a").add("b");
        assertEquals(sj.merge(sj).toString(), fixes.pre0 + "a,b,a,b" + fixes.suf0);
        assertEquals(sj.merge(sj).toString(), fixes.pre0 + "a,b,a,b,a,b,a,b" + fixes.suf0);
    });
}

Example 17 with StringJoiner

use of java8.util.StringJoiner in project streamsupport by stefan-zobel.

the class StringJoinerTest method toStringWithCustomEmptyValue.

public void toStringWithCustomEmptyValue() {
    StringJoiner sj = new StringJoiner(DASH, "<", ">").setEmptyValue(EMPTY);
    assertEquals(sj.toString(), EMPTY);
    sj.add("");
    assertEquals(sj.toString(), "<>");
    sj.add("");
    assertEquals(sj.toString(), "<->");
}

Example 18 with StringJoiner

use of java8.util.StringJoiner in project streamsupport by stefan-zobel.

the class StringJoinerTest method stringFromtoString.

public void stringFromtoString() {
    StringJoiner sj = new StringJoiner(", ");
    assertEquals(sj.toString(), "");
    sj = new StringJoiner(",", "{", "}");
    assertEquals(sj.toString(), "{}");
    sj = new StringJoiner(",");
    sj.add(ONE);
    assertEquals(sj.toString(), ONE);
    sj.add(TWO);
    assertEquals(sj.toString(), ONE + "," + TWO);
    sj = new StringJoiner(",", "{--", "--}");
    sj.add(ONE);
    sj.add(TWO);
    assertEquals(sj.toString(), "{--" + ONE + "," + TWO + "--}");
}

Example 19 with StringJoiner

use of java8.util.StringJoiner in project streamsupport by stefan-zobel.

the class StringJoinerTest method addAlladdAll.

// The following tests do two successive adds of different types
public void addAlladdAll() {
    final StringJoiner sj = new StringJoiner(DASH, "{", "}");
    ArrayList<String> firstOne = new ArrayList<String>();
    firstOne.add(ONE);
    firstOne.add(TWO);
    firstOne.add(THREE);
    Stream<String> stream = StreamSupport.stream(firstOne);
    stream.forEachOrdered(new java8.util.function.Consumer<String>() {

        @Override
        public void accept(String t) {
            sj.add(t);
        }
    });
    ArrayList<String> nextOne = new ArrayList<String>();
    nextOne.add(FOUR);
    nextOne.add(FIVE);
    Stream<String> stream2 = StreamSupport.stream(nextOne);
    stream2.forEachOrdered(new java8.util.function.Consumer<String>() {

        @Override
        public void accept(String t) {
            sj.add(t);
        }
    });
    String expected = "{" + ONE + DASH + TWO + DASH + THREE + DASH + FOUR + DASH + FIVE + "}";
    assertEquals(sj.toString(), expected);
}

Example 20 with StringJoiner

use of java8.util.StringJoiner in project streamsupport by stefan-zobel.

the class StringJoinerTest method addCharSequence.

public void addCharSequence() {
    StringJoiner sj = new StringJoiner(",");
    CharSequence cs_one = ONE;
    CharSequence cs_two = TWO;
    sj.add(cs_one);
    sj.add(cs_two);
    assertEquals(sj.toString(), ONE + "," + TWO);
    sj = new StringJoiner(DASH, "{", "}");
    sj.add(cs_one);
    sj.add(cs_two);
    assertEquals(sj.toString(), "{" + ONE + DASH + TWO + "}");
    StringBuilder builder = new StringBuilder(ONE);
    StringBuffer buffer = new StringBuffer(THREE);
    sj = new StringJoiner(", ", "{ ", " }");
    sj.add(builder).add(buffer);
    builder.append(TWO);
    buffer.append(FOUR);
    assertEquals(sj.toString(), "{ " + ONE + ", " + THREE + " }", "CharSequence is copied when add");
    sj.add(builder);
    assertEquals(sj.toString(), "{ " + ONE + ", " + THREE + ", " + ONE + TWO + " }");
}