Fix CircularGauge's tickmark labels all being set 0

We were relying on model.get() to somehow reevaluate after we'd updated
properties of model items, which somehow worked until
4876ea6a18ccdfd72014582aa5d50ab9f6b6ec9e.

The correct approach is to do the same thing as we do for
styleData.index: rely on the model properties that are exposed to the
delegate, which do get updated.

Change-Id: I529ab7dcc142187fc185b11658dc5e1496b6d6db
Task-number: QTBUG-48839
Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/auto/extras/data/tst_circulartickmarklabel.qml b/tests/auto/extras/data/tst_circulartickmarklabel.qml
index 2d1841e0..60d7ff9e 100644
--- a/tests/auto/extras/data/tst_circulartickmarklabel.qml
+++ b/tests/auto/extras/data/tst_circulartickmarklabel.qml
@@ -314,6 +314,15 @@ TestCase {
         compare(label.__panel.tickmarkValueFromMinorIndex(((label.tickmarkCount - 1) * label.minorTickmarkCount) - 1), 98);
     }
 
+    function test_labelText() {
+        for (var i = 0; i < label.labelCount; ++i) {
+            var labelDelegateLoader = findChild(label, "labelDelegateLoader" + i);
+            verify(labelDelegateLoader);
+            compare(labelDelegateLoader.styleData.index, i);
+            compare(labelDelegateLoader.styleData.value, i * label.labelStepSize);
+        }
+    }
+
     function test_invalidValues() {
         // Shouldn't produce warnings.
         label.labelStepSize = 0;