@Test
public void nullObjectInExt() {
thrown.expectMessage("Null isn't correct object to format");
StringFormatterDoubleExtension ext = new StringFormatterDoubleExtension();
ext.format(new StringBuilder(), null, ".2");
}
@Test
public void nullBufferInExt() {
thrown.expectMessage("Buffer == null");
StringFormatterDoubleExtension ext = new StringFormatterDoubleExtension();
Double a = 0.0;
ext.format(null, a, ".2");
}
@Test
public void nullPatternInExt() {
thrown.expectMessage("Pattern must be non empty string");
StringFormatterDoubleExtension ext = new StringFormatterDoubleExtension();
Double a = 0.0;
ext.format(new StringBuilder(), a, null);
}