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Test cases for CSVPrinter.printComment() 

git-svn-id: https://svn.apache.org/repos/asf/commons/sandbox/csv/trunk@1297075 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Emmanuel Bourg 2012-03-05 14:42:14 +00:00
parent 7bd9d1d970
commit fa5dca3be1
2 changed files with 40 additions and 11 deletions
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22
src/main/java/org/apache/commons/csv/CSVPrinter.java
View File

@ -61,6 +61,11 @@ public class CSVPrinter {
newLine = true;
}
/**
* Flush the underlying stream.
*
* @throws IOException
*/
public void flush() throws IOException {
out.flush();
}
@ -82,22 +87,23 @@ public class CSVPrinter {
/**
* Put a comment among the comma separated values.
* Comments will always begin on a new line and occupy a
* least one full line. The character specified to star
* comments and a space will be inserted at the beginning of
* each new line in the comment.
* Put a comment on a new line among the comma separated values. Comments
* will always begin on a new line and occupy a least one full line. The
* character specified to start comments and a space will be inserted at
* the beginning of each new line in the comment.
* <p/>
* If comments are disabled in the current CSV format this method does nothing.
*
* @param comment the comment to output
*/
public void printlnComment(String comment) throws IOException {
public void printComment(String comment) throws IOException {
if (this.format.isCommentingDisabled()) {
return;
}
if (!newLine) {
println();
}
out.write(this.format.getCommentStart());
out.write(format.getCommentStart());
out.write(' ');
for (int i = 0; i < comment.length(); i++) {
char c = comment.charAt(i);
@ -109,7 +115,7 @@ public class CSVPrinter {
// break intentionally excluded.
case '\n':
println();
out.write(this.format.getCommentStart());
out.write(format.getCommentStart());
out.write(' ');
break;
default:

29
src/test/java/org/apache/commons/csv/CSVPrinterTest.java
View File

@ -28,7 +28,7 @@ import junit.framework.TestCase;
*/
public class CSVPrinterTest extends TestCase {
String lineSeparator = "\r\n";
String lineSeparator = CSVFormat.DEFAULT.getLineSeparator();
public void testPrinter1() throws IOException {
StringWriter sw = new StringWriter();
@ -102,6 +102,29 @@ public class CSVPrinterTest extends TestCase {
assertEquals("\"a,b\",b" + lineSeparator, sw.toString());
}
public void testDisabledComment() throws IOException {
StringWriter sw = new StringWriter();
CSVPrinter printer = new CSVPrinter(sw, CSVFormat.DEFAULT);
printer.printComment("This is a comment");
assertEquals("", sw.toString());
}
public void testSingleLineComment() throws IOException {
StringWriter sw = new StringWriter();
CSVPrinter printer = new CSVPrinter(sw, CSVFormat.DEFAULT.withCommentStart('#'));
printer.printComment("This is a comment");
assertEquals("# This is a comment" + lineSeparator, sw.toString());
}
public void testMultiLineComment() throws IOException {
StringWriter sw = new StringWriter();
CSVPrinter printer = new CSVPrinter(sw, CSVFormat.DEFAULT.withCommentStart('#'));
printer.printComment("This is a comment\non multiple lines");
assertEquals("# This is a comment" + lineSeparator + "# on multiple lines" + lineSeparator, sw.toString());
}
public void testRandom() throws Exception {
int iter = 10000;
@ -184,11 +207,11 @@ public class CSVPrinterTest extends TestCase {
}
public static String printable(String s) {
StringBuffer sb = new StringBuffer();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
char ch = s.charAt(i);
if (ch <= ' ' || ch >= 128) {
sb.append("(" + (int) ch + ")");
sb.append("(").append((int) ch).append(")");
} else {
sb.append(ch);
}