@Test
public void testPrefHeightNegativeTreatedAsZero() {
Region region = new Region();
region.setPrefHeight(-10);
assertEquals(0, region.prefHeight(-1), 0);
assertEquals(0, region.prefHeight(5), 0);
}
@Test
public void testPrefHeightNaNTreatedAsZero() {
Region region = new Region();
region.setPrefHeight(Double.NaN);
assertEquals(0, region.prefHeight(-1), 0);
assertEquals(0, region.prefHeight(5), 0);
}
@Test
public void testPrefHeightOverride() {
Region region = new MockRegion(10, 20, 100, 200, 500, 600);
assertEquals(200, region.prefHeight(-1), 1e-100);
region.setPrefHeight(300.0);
assertEquals(300, region.getPrefHeight(), 1e-100);
assertEquals(300, region.prefHeight(-1), 1e-100);
}
@Test
public void testPrefHeightOverrideThenRestoreComputedSize() {
Region region = new MockRegion(10, 20, 100, 200, 500, 600);
region.setPrefHeight(250);
region.setPrefHeight(Region.USE_COMPUTED_SIZE); // reset
assertEquals(Region.USE_COMPUTED_SIZE, region.getPrefHeight(), 1e-100);
assertEquals(200, region.prefHeight(-1), 1e-100);
}