/**
* Checks and verifies that components that span multiple columns and that expand the container
* are measured using the correct measure.
*/
public void testExtraExpansionHonorsCurrentMeasure() {
TestComponent c1 = new TestComponent(10, 1, 50, 1);
TestComponent c2 = new TestComponent(10, 1, 50, 1);
TestComponent c3 = new TestComponent(10, 1, 50, 1);
TestComponent c4 = new TestComponent(10, 1, 50, 1);
FormLayout layout = new FormLayout("10px, 15px:grow, 20px", "pref, pref");
JPanel panel = new JPanel(layout);
panel.add(c1, cc.xy(1, 1));
panel.add(c2, cc.xy(2, 1));
panel.add(c3, cc.xy(3, 1));
panel.add(c4, cc.xyw(1, 2, 2));
int minimumLayoutWidth = layout.minimumLayoutSize(panel).width;
int preferredLayoutWidth = layout.preferredLayoutSize(panel).width;
assertEquals("Minimum layout width", 45, minimumLayoutWidth);
assertEquals("Preferred layout width", 70, preferredLayoutWidth);
}
/**
* Checks and verifies that components that span multiple columns do not expand the container of
* no column grows.
*/
public void testExtraExpansionIfSpannedColumnsGrow() {
TestComponent c1 = new TestComponent(10, 1, 50, 1);
TestComponent c2 = new TestComponent(10, 1, 50, 1);
TestComponent c3 = new TestComponent(10, 1, 50, 1);
TestComponent c4 = new TestComponent(10, 1, 50, 1);
FormLayout layout = new FormLayout("10px, 15px:grow, 20px", "pref, pref");
JPanel panel = new JPanel(layout);
panel.add(c1, cc.xy(1, 1));
panel.add(c2, cc.xy(2, 1));
panel.add(c3, cc.xy(3, 1));
panel.add(c4, cc.xyw(1, 2, 2));
Dimension preferredLayoutSize = layout.preferredLayoutSize(panel);
panel.setSize(preferredLayoutSize);
panel.doLayout();
int col1And2Width = c2.getX() + c2.getWidth();
int gridWidth = c3.getX() + c3.getWidth();
int totalWidth = preferredLayoutSize.width;
assertEquals("Col1+2 width", 50, col1And2Width);
assertEquals("Grid width", 70, gridWidth);
assertEquals("Total width", 70, totalWidth);
}
