On Wed, 7 Jun 2023 20:59:01 GMT, Marius Hanl <mh...@openjdk.org> wrote:

> This PR does two small improvements to `VirtualFlow`.
> Until now, the `VirtualFlow` sometimes called the `computeHeight` or 
> `computeWidth` methods, although a fixed cell size is set and we therefore 
> don't need to call those method (and never should do, as we may don't get the 
> expected result and mix computed sizes with the fixed cell size).
> 
> Added tests that fail before and pass now. They check that the 
> `computeHeight` or `computeWidth` (non vertical flow) are never called when a 
> fixed cell size is set.

modules/javafx.controls/src/main/java/javafx/scene/control/skin/VirtualFlow.java
 line 1954:

> 1952:      * Gets the breadth of a specific cell
> 1953:      */
> 1954:     double getCellBreadth(T cell) {

is there a possibility of introducing a runtime errors?

modules/javafx.controls/src/test/java/test/javafx/scene/control/skin/VirtualFlowTest.java
 line 1530:

> 1528:     @Test
> 1529:     public void 
> testComputeHeightShouldNotBeCalledWhenFixedCellSizeIsSet() {
> 1530:         int cellSize = 24;

magic number.
cellSize=94 fails the test, unless line 1555 changed to `flow.resize(3000, 
3000);`
cellSize=4 is ok.

modules/javafx.controls/src/test/java/test/javafx/scene/control/skin/VirtualFlowTest.java
 line 1579:

> 1577:     @Test
> 1578:     public void 
> testComputeWidthShouldNotBeCalledWhenFixedCellSizeIsSet() {
> 1579:         int cellSize = 24;

magic number.  setting  cell size to 44 fails the test.  cellSize=4 is ok.

-------------

PR Review Comment: https://git.openjdk.org/jfx/pull/1150#discussion_r1222292196
PR Review Comment: https://git.openjdk.org/jfx/pull/1150#discussion_r1222269418
PR Review Comment: https://git.openjdk.org/jfx/pull/1150#discussion_r1222268654

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