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improve unit test coverage on CellReference.

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Add note that _sheetName can be null or empty string, depending on the entry-point.
Throw an exception when parsing a string if sheet name is not quoted and contains a space.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1748144 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2016-06-13 08:58:55 +00:00
parent 48410a4224
commit 48eb5c521b
2 changed files with 104 additions and 16 deletions
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32
src/java/org/apache/poi/ss/util/CellReference.java
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@ -91,9 +91,11 @@ public class CellReference {
//private static final String BIFF8_LAST_ROW = String.valueOf(SpreadsheetVersion.EXCEL97.getMaxRows());
//private static final int BIFF8_LAST_ROW_TEXT_LEN = BIFF8_LAST_ROW.length();
// FIXME: _sheetName may be null, depending on the entry point.
// Perhaps it would be better to declare _sheetName is never null, using an empty string to represent a 2D reference.
private final String _sheetName;
private final int _rowIndex;
private final int _colIndex;
private final String _sheetName;
private final boolean _isRowAbs;
private final boolean _isColAbs;
@ -353,17 +355,8 @@ public class CellReference {
}
public static boolean isRowWithinRange(String rowStr, SpreadsheetVersion ssVersion) {
int rowNum = Integer.parseInt(rowStr);
if (rowNum < 0) {
throw new IllegalStateException("Invalid rowStr '" + rowStr + "'.");
}
if (rowNum == 0) {
// execution gets here because caller does first pass of discriminating
// potential cell references using a simplistic regex pattern.
return false;
}
return rowNum <= ssVersion.getMaxRows();
int rowNum = Integer.parseInt(rowStr) - 1;
return 0 <= rowNum && rowNum <= ssVersion.getLastRowIndex();
}
private static final class CellRefParts {
@ -408,11 +401,16 @@ public class CellReference {
boolean isQuoted = reference.charAt(0) == SPECIAL_NAME_DELIMITER;
if(!isQuoted) {
// sheet names with spaces must be quoted
if (reference.indexOf(' ') == -1) {
return reference.substring(0, indexOfSheetNameDelimiter);
} else {
throw new IllegalArgumentException("Sheet names containing spaces must be quoted: (" + reference + ")");
}
}
int lastQuotePos = indexOfSheetNameDelimiter-1;
if(reference.charAt(lastQuotePos) != SPECIAL_NAME_DELIMITER) {
throw new RuntimeException("Mismatched quotes: (" + reference + ")");
throw new IllegalArgumentException("Mismatched quotes: (" + reference + ")");
}
// TODO - refactor cell reference parsing logic to one place.
@ -438,7 +436,7 @@ public class CellReference {
continue;
}
}
throw new RuntimeException("Bad sheet name quote escaping: (" + reference + ")");
throw new IllegalArgumentException("Bad sheet name quote escaping: (" + reference + ")");
}
return sb.toString();
}
@ -555,7 +553,10 @@ public class CellReference {
return _rowIndex == cr._rowIndex
&& _colIndex == cr._colIndex
&& _isRowAbs == cr._isRowAbs
&& _isColAbs == cr._isColAbs;
&& _isColAbs == cr._isColAbs
&& ((_sheetName == null)
? (cr._sheetName == null)
: _sheetName.equals(cr._sheetName));
}
@Override
@ -565,6 +566,7 @@ public class CellReference {
result = 31 * result + _colIndex;
result = 31 * result + (_isRowAbs ? 1 : 0);
result = 31 * result + (_isColAbs ? 1 : 0);
result = 31 * result + (_sheetName == null ? 0 : _sheetName.hashCode());
return result;
}
}

86
src/testcases/org/apache/poi/ss/util/TestCellReference.java
View File

@ -317,4 +317,90 @@ public final class TestCellReference {
assertTrue("row absolute", ref.isRowAbsolute());
//assertFalse("column absolute/relative is undefined", ref.isColAbsolute());
}
@Test
public void getSheetName() {
assertEquals(null, new CellReference("A5").getSheetName());
assertEquals(null, new CellReference(null, 0, 0, false, false).getSheetName());
// FIXME: CellReference is inconsistent
assertEquals("", new CellReference("", 0, 0, false, false).getSheetName());
assertEquals("Sheet1", new CellReference("Sheet1!A5").getSheetName());
assertEquals("Sheet 1", new CellReference("'Sheet 1'!A5").getSheetName());
}
@Test
public void testToString() {
CellReference ref = new CellReference("'Sheet 1'!A5");
assertEquals("org.apache.poi.ss.util.CellReference ['Sheet 1'!A5]", ref.toString());
}
@Test
public void testEqualsAndHashCode() {
CellReference ref1 = new CellReference("'Sheet 1'!A5");
CellReference ref2 = new CellReference("Sheet 1", 4, 0, false, false);
assertEquals("equals", ref1, ref2);
assertEquals("hash code", ref1.hashCode(), ref2.hashCode());
assertFalse("null", ref1.equals(null));
assertFalse("3D vs 2D", ref1.equals(new CellReference("A5")));
assertFalse("type", ref1.equals(new Integer(0)));
}
@Test
public void isRowWithinRange() {
SpreadsheetVersion ss = SpreadsheetVersion.EXCEL2007;
assertFalse("1 before first row", CellReference.isRowWithinRange("0", ss));
assertTrue("first row", CellReference.isRowWithinRange("1", ss));
assertTrue("last row", CellReference.isRowWithinRange("1048576", ss));
assertFalse("1 beyond last row", CellReference.isRowWithinRange("1048577", ss));
}
@Test
public void isColWithinRange() {
SpreadsheetVersion ss = SpreadsheetVersion.EXCEL2007;
assertTrue("(empty)", CellReference.isColumnWithinRange("", ss));
assertTrue("first column (A)", CellReference.isColumnWithinRange("A", ss));
assertTrue("last column (XFD)", CellReference.isColumnWithinRange("XFD", ss));
assertFalse("1 beyond last column (XFE)", CellReference.isColumnWithinRange("XFE", ss));
}
@Test(expected=IllegalArgumentException.class)
public void unquotedSheetName() {
new CellReference("'Sheet 1!A5");
}
@Test(expected=IllegalArgumentException.class)
public void mismatchedQuotesSheetName() {
new CellReference("Sheet 1!A5");
}
@Test
public void escapedSheetName() {
String escapedName = "'Don''t Touch'!A5";
String unescapedName = "'Don't Touch'!A5";
new CellReference(escapedName);
try {
new CellReference(unescapedName);
fail("Sheet names containing apostrophe's must be escaped via a repeated apostrophe");
} catch (IllegalArgumentException e) {
assertTrue(e.getMessage().startsWith("Bad sheet name quote escaping: "));
}
}
@Test(expected=IllegalArgumentException.class)
public void negativeRow() {
new CellReference("sheet", -2, 0, false, false);
}
@Test(expected=IllegalArgumentException.class)
public void negativeColumn() {
new CellReference("sheet", 0, -2, false, false);
}
@Test(expected=IllegalArgumentException.class)
public void classifyEmptyStringCellReference() {
CellReference.classifyCellReference("", SpreadsheetVersion.EXCEL2007);
}
@Test(expected=IllegalArgumentException.class)
public void classifyInvalidFirstCharCellReference() {
CellReference.classifyCellReference("!A5", SpreadsheetVersion.EXCEL2007);
}
}