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  1. JDK
  2. JDK-8265528

Specification of BasicSplitPaneDivider::getMinimumSize,getPreferredSize doesn't match with its behavior.

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    Description

      As per spec of getPreferredSize() and getMinimumSize():
      https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getPreferredSize()
      https://docs.oracle.com/en/java/javase/16/docs/api/java.desktop/javax/swing/plaf/basic/BasicSplitPaneDivider.html#getMinimumSize()

      "Returns dividerSize x dividerSize"
      It is not perfectly clear that dividerSize x dividerSize returns (expected to return) an instance of Dimension with height = dividerSize and width = dividerSize.

      Also JDK implementation of getPreferredSize() and getMinimumSize() methods do not return new Dimension(getDividerSize(), getDividerSize()), rather returns instance of Dimension depending upon HORIZONTAL_SPLIT and VERTICAL_SPLIT.
      Implementation snap:
      if (orientation == JSplitPane.HORIZONTAL_SPLIT) {
          return new Dimension(getDividerSize(), 1);
      }
      return new Dimension(1, getDividerSize());

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              psadhukhan Prasanta Sadhukhan
              amadgundi Asha Madgundi
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