canvaskit tests

Author: LongCatIsLooong

lib/web_ui/test/canvaskit/text_test.dart

@@ -94,6 +94,42 @@ void testMain() {
       expect(await matchImage(tabImage, tofuImage), isFalse);
     });
 
+    test('kTextHeightNone unsets the height multiplier', () {
+      const double fontSize = 10;
+      const String text = 'A';
+      final ui.ParagraphBuilder builder = ui.ParagraphBuilder(ui.ParagraphStyle(fontSize: fontSize, height: 10));
+      builder.pushStyle(ui.TextStyle(height: ui.kTextHeightNone));
+      builder.addText(text);
+      final ui.Paragraph paragraph = builder.build()
+        ..layout(const ui.ParagraphConstraints(width: 1000));
+      expect(paragraph.height, fontSize);
+    });
+
+    test('kTextHeightNone ParagraphStyle', () {
+      const double fontSize = 10;
+      final ui.ParagraphBuilder builder = ui.ParagraphBuilder(
+        ui.ParagraphStyle(fontSize: fontSize, height: ui.kTextHeightNone),
+      );
+      builder.addText('A');
+      final ui.Paragraph paragraph = builder.build()
+        ..layout(const ui.ParagraphConstraints(width: 1000));
+      expect(paragraph.height, fontSize);
+    });
+
+    test('kTextHeightNone StrutStyle', () {
+      const double fontSize = 10;
+      final ui.ParagraphBuilder builder = ui.ParagraphBuilder(
+        ui.ParagraphStyle(
+          fontSize: 100,
+          strutStyle: ui.StrutStyle(forceStrutHeight: true, height: ui.KTextHeightNone, fontSize: fontSize),
+        ),
+      );
+      builder.addText('A');
+      final ui.Paragraph paragraph = builder.build()
+        ..layout(const ui.ParagraphConstraints(width: 1000));
+      expect(paragraph.height, fontSize);
+    });
+
     group('test fonts in flutterTester environment', () {
       final bool resetValue = ui_web.debugEmulateFlutterTesterEnvironment;
       ui_web.debugEmulateFlutterTesterEnvironment = true;