Updated skipped tests for painting directory. (#87546)

packages/flutter/test/painting/decoration_test.dart

@@ -360,7 +360,7 @@ void main() {
       '   The ImageConfiguration was:\n'
       '     ImageConfiguration(size: Size(100.0, 100.0))\n',
     );
-  }, skip: kIsWeb);
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87364
 
   test('DecorationImage - error listener', () async {
     late String exception;
@@ -707,5 +707,5 @@ void main() {
     expect(info.image.debugGetOpenHandleStackTraces()!.length, baselineRefCount);
 
     info.dispose();
-  }, skip: kIsWeb);
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 }

packages/flutter/test/painting/gradient_test.dart

@@ -816,7 +816,7 @@ void main() {
       for (final Gradient gradient in gradients45) {
         testWidgets('$gradient', (WidgetTester tester) async {
           await runTest(tester, gradient, 45);
-        }, skip: isBrowser); // https://github.com/flutter/flutter/issues/41389
+        });
       }
     });
 
@@ -824,7 +824,7 @@ void main() {
       for (final Gradient gradient in gradients90) {
         testWidgets('$gradient', (WidgetTester tester) async {
           await runTest(tester, gradient, 90);
-        }, skip: isBrowser); // https://github.com/flutter/flutter/issues/41389
+        });
       }
     });
   });

packages/flutter/test/painting/image_cache_test.dart

@@ -536,7 +536,7 @@ void main() {
 
     imageInfo.dispose();
     expect(testImage.debugGetOpenHandleStackTraces()!.length, 0);
-  }, skip: kIsWeb); // Web does not care about image handles.
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 
   test('Image is obtained and disposed of properly for cache when listener is still active', () async {
     const int key = 1;
@@ -575,5 +575,5 @@ void main() {
     expect(testImage.debugGetOpenHandleStackTraces()!.length, 1);
     imageInfo.dispose();
     expect(testImage.debugGetOpenHandleStackTraces()!.length, 0);
-  }, skip: kIsWeb); // Web does not care about open image handles.
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87442
 }

packages/flutter/test/painting/image_provider_network_image_test.dart

@@ -69,7 +69,7 @@ void main() {
         .having((NetworkImageLoadException e) => e.uri, 'uri', Uri.base.resolve(requestUrl)),
     );
     expect(httpClient.request.response.drained, true);
-  }, skip: isBrowser); // Browser implementation does not use HTTP client but an <img> tag.
+  }, skip: isBrowser); // [intended] Browser implementation does not use HTTP client but an <img> tag.
 
   test('Uses the HttpClient provided by debugNetworkImageHttpClientProvider if set', () async {
     httpClient.thrownError = 'client1';
@@ -94,7 +94,7 @@ void main() {
     debugNetworkImageHttpClientProvider = () => client2;
     await loadNetworkImage();
     expect(capturedErrors, <dynamic>['client1', 'client2']);
-  }, skip: isBrowser); // Browser implementation does not use HTTP client but an <img> tag.
+  }, skip: isBrowser); // [intended] Browser implementation does not use HTTP client but an <img> tag.
 
   test('Propagates http client errors during resolve()', () async {
     httpClient.thrownError = Error();
@@ -155,7 +155,7 @@ void main() {
       expect(events[i].cumulativeBytesLoaded, math.min((i + 1) * chunkSize, kTransparentImage.length));
       expect(events[i].expectedTotalBytes, kTransparentImage.length);
     }
-  }, skip: isBrowser); // Browser loads images through <img> not Http.
+  }, skip: isBrowser); // [intended] Browser loads images through <img> not Http.
 
   test('NetworkImage is evicted from cache on SocketException', () async {
     final _FakeHttpClient mockHttpClient = _FakeHttpClient();
@@ -187,7 +187,7 @@ void main() {
     expect(imageCache!.containsKey(result), isFalse);
 
     debugNetworkImageHttpClientProvider = null;
-  }, skip: isBrowser); // Browser does not resolve images this way.
+  }, skip: isBrowser); // [intended] Browser does not resolve images this way.
 
   Future<Codec> _decoder(Uint8List bytes, {int? cacheWidth, int? cacheHeight, bool? allowUpscaling}) async {
     return FakeCodec();

packages/flutter/test/painting/shader_warm_up_test.dart

@@ -57,5 +57,5 @@ void main() {
       throwsA(isA<String>().having((String message) => message, 'message', 'Object has been disposed.')),
     );
     expect(capturedImage.debugDisposed, true);
-  }, skip: kIsWeb); // Browser doesn't support approximateBytesUsed and doesn't rasterize the picture at this time.
+  }, skip: kIsWeb); // [intended] Browser doesn't support approximateBytesUsed and doesn't rasterize the picture at this time.
 }

packages/flutter/test/painting/text_painter_rtl_test.dart

@@ -51,9 +51,9 @@ void main() {
     // to be part of the word sometimes and not others, which is fine, but we'd mildly prefer if
     // we were consistently considering them part of words always.
     final TextRange hebrew1 = painter.getWordBoundary(const TextPosition(offset: 4, affinity: TextAffinity.downstream));
-    expect(hebrew1, const TextRange(start: 0, end: 8), skip: skipExpectsWithKnownBugs);
+    expect(hebrew1, const TextRange(start: 0, end: 8), skip: skipExpectsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
     final TextRange english2 = painter.getWordBoundary(const TextPosition(offset: 14, affinity: TextAffinity.downstream));
-    expect(english2, const TextRange(start: 9, end: 19), skip: skipExpectsWithKnownBugs);
+    expect(english2, const TextRange(start: 9, end: 19), skip: skipExpectsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
     final TextRange hebrew3 = painter.getWordBoundary(const TextPosition(offset: 24, affinity: TextAffinity.downstream));
     expect(hebrew3, const TextRange(start: 20, end: 28));
 
@@ -163,8 +163,8 @@ void main() {
       <TextBox>[], // U+202C, non-printing Unicode bidi formatting character
       // The list currently has one extra bogus entry (the last entry, for the
       // trailing U+202C PDF, should be empty but is one-pixel-wide instead).
-    ], skip: skipExpectsWithKnownBugs);
-  }, skip: skipTestsWithKnownBugs);
+    ], skip: skipExpectsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - bidi overrides in RTL', () {
     final TextPainter painter = TextPainter()
@@ -180,9 +180,9 @@ void main() {
     painter.layout();
 
     final TextRange hebrew1 = painter.getWordBoundary(const TextPosition(offset: 4, affinity: TextAffinity.downstream));
-    expect(hebrew1, const TextRange(start: 0, end: 8), skip: skipExpectsWithKnownBugs);
+    expect(hebrew1, const TextRange(start: 0, end: 8), skip: skipExpectsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
     final TextRange english2 = painter.getWordBoundary(const TextPosition(offset: 14, affinity: TextAffinity.downstream));
-    expect(english2, const TextRange(start: 9, end: 19), skip: skipExpectsWithKnownBugs);
+    expect(english2, const TextRange(start: 9, end: 19), skip: skipExpectsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
     final TextRange hebrew3 = painter.getWordBoundary(const TextPosition(offset: 24, affinity: TextAffinity.downstream));
     expect(hebrew3, const TextRange(start: 20, end: 28));
 
@@ -253,9 +253,9 @@ void main() {
       ],
       // Horizontal offsets are currently one pixel off in places; vertical offsets are good.
       // The list is currently in the wrong order (so selection boxes will paint in the wrong order).
-      skip: skipExpectsWithKnownBugs,
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - forced line-wrapping with bidi', () {
     final TextPainter painter = TextPainter()
@@ -353,9 +353,10 @@ void main() {
         TextBox.fromLTRBD( 0.0, 20.0,  60.0, 40.0, TextDirection.ltr),
         TextBox.fromLTRBD(60.0, 28.0, 110.0, 38.0, TextDirection.ltr),
       ],
-      skip: skipExpectsWithKnownBugs, // horizontal offsets are one pixel off in places; vertical offsets are good
+      // horizontal offsets are one pixel off in places; vertical offsets are good
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - line wrap mid-word, bidi - LTR base', () {
     final TextPainter painter = TextPainter()
@@ -386,7 +387,8 @@ void main() {
         TextBox.fromLTRBD( 0.0, 20.0, 40.0, 40.0, TextDirection.rtl),
         TextBox.fromLTRBD(40.0, 28.0, 90.0, 38.0, TextDirection.ltr),
       ],
-      skip: skipExpectsWithKnownBugs, // horizontal offsets are one pixel off in places; vertical offsets are good
+      // horizontal offsets are one pixel off in places; vertical offsets are good
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
 
     final List<List<TextBox>> list = <List<TextBox>>[
@@ -410,7 +412,7 @@ void main() {
       <TextBox>[TextBox.fromLTRBD(70.0, 28.0, 80.0, 38.0, TextDirection.ltr)],
       <TextBox>[TextBox.fromLTRBD(80.0, 28.0, 90.0, 38.0, TextDirection.ltr)],
     ]);
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - line wrap mid-word, bidi - RTL base', () {
     final TextPainter painter = TextPainter()
@@ -443,9 +445,9 @@ void main() {
       ],
       // Horizontal offsets are currently one pixel off in places; vertical offsets are good.
       // The list is currently in the wrong order (so selection boxes will paint in the wrong order).
-      skip: skipExpectsWithKnownBugs,
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - multiple levels', () {
     final TextPainter painter = TextPainter()
@@ -474,9 +476,9 @@ void main() {
       // Horizontal offsets are currently one pixel off in places; vertical offsets are good.
       // The list is currently in the wrong order (so selection boxes will paint in the wrong order).
       // Also currently there's an extraneous box at the start of the list.
-      skip: skipExpectsWithKnownBugs,
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - getPositionForOffset - RTL in LTR', () {
     final TextPainter painter = TextPainter()
@@ -518,7 +520,8 @@ void main() {
       //       ^
       painter.getPositionForOffset(const Offset(12.0, 5.0)).toString(),
       const TextPosition(offset: 1, affinity: TextAffinity.downstream).toString(),
-      skip: skipExpectsWithKnownBugs, // currently we say upstream instead of downstream
+      // currently we say upstream instead of downstream
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
     expect(
       //  Aaa  Bbb  Ccc  Gimel  Bet  Alef  Ddd  Eee  Fff
@@ -558,7 +561,7 @@ void main() {
       painter.getPositionForOffset(const Offset(100.0, 5.0)).toString(),
       const TextPosition(offset: 9, affinity: TextAffinity.upstream).toString(),
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - getPositionForOffset - LTR in RTL', () {
     final TextPainter painter = TextPainter()
@@ -603,7 +606,7 @@ void main() {
       painter.getPositionForOffset(const Offset(62.0, 5.0)).toString(),
       const TextPosition(offset: 3, affinity: TextAffinity.upstream).toString(),
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - Spaces', () {
     final TextPainter painter = TextPainter()
@@ -651,7 +654,7 @@ void main() {
 
     expect(painter.width, 410.0);
     expect(painter.height, 200.0);
-    expect(painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), 160.0);
+    expect(painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), moreOrLessEquals(160.0, epsilon: 0.001));
     expect(painter.preferredLineHeight, 100.0);
 
     expect(
@@ -662,9 +665,9 @@ void main() {
         TextBox.fromLTRBD(110.0,   0.0, 310.0, 200.0, TextDirection.ltr),
       ],
       // Horizontal offsets are currently one pixel off in places; vertical offsets are good.
-      skip: skipExpectsWithKnownBugs,
+      skip: skipExpectsWithKnownBugs, // https://github.com/flutter/flutter/issues/87536
     );
-  }, skip: skipTestsWithKnownBugs);
+  }, skip: skipTestsWithKnownBugs); // https://github.com/flutter/flutter/issues/87536
 
   test('TextPainter - empty text baseline', () {
     final TextPainter painter = TextPainter()
@@ -674,14 +677,9 @@ void main() {
       style: TextStyle(fontFamily: 'Ahem', fontSize: 100.0, height: 1.0),
     );
     painter.layout();
-    expect(
-      // Returns -1
-      painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), 80.0,
-      skip: skipExpectsWithKnownBugs,
-    );
-  }, skip: skipTestsWithKnownBugs);
+    expect(painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), moreOrLessEquals(80.0, epsilon: 0.001));
+  });
 }
 
-
 String lro(String s) => '${Unicode.LRO}L${s}L${Unicode.PDF}';
 String rlo(String s) => '${Unicode.RLO}R${s}R${Unicode.PDF}';

packages/flutter/test/painting/text_painter_test.dart

@@ -746,7 +746,7 @@ void main() {
     expect(painter.inlinePlaceholderBoxes![11], const TextBox.fromLTRBD(250, 30, 300, 60, TextDirection.ltr));
     expect(painter.inlinePlaceholderBoxes![12], const TextBox.fromLTRBD(300, 30, 351, 60, TextDirection.ltr));
     expect(painter.inlinePlaceholderBoxes![13], const TextBox.fromLTRBD(351, 30, 401, 60, TextDirection.ltr));
-  }, skip: isBrowser && !isCanvasKit); // https://github.com/flutter/flutter/issues/42086
+  }, skip: isBrowser && !isCanvasKit); // https://github.com/flutter/flutter/issues/87540
 
   // Null values are valid. See https://github.com/flutter/flutter/pull/48346#issuecomment-584839221
   test('TextPainter set TextHeightBehavior null test', () {
@@ -955,7 +955,7 @@ void main() {
       ).first.toRect();
       expect(glyphBox, newGlyphBox);
     });
-  }, skip: isBrowser && !isCanvasKit);
+  }, skip: isBrowser && !isCanvasKit); // https://github.com/flutter/flutter/issues/87543
 
   test('TextPainter handles invalid UTF-16', () {
     Object? exception;
@@ -973,7 +973,7 @@ void main() {
     // The layout should include one replacement character.
     expect(painter.width, equals(fontSize));
     expect(exception, isNotNull);
-  }, skip: kIsWeb);
+  }, skip: kIsWeb); // https://github.com/flutter/flutter/issues/87544
 
   test('Diacritic', () {
     final TextPainter painter = TextPainter()
@@ -989,7 +989,7 @@ void main() {
             offset: text.length, affinity: TextAffinity.upstream),
         ui.Rect.zero);
     expect(caretOffset.dx, painter.width);
-  }, skip: kIsWeb && !isCanvasKit);
+  }, skip: kIsWeb && !isCanvasKit); // https://github.com/flutter/flutter/issues/87545
 }
 
 class MockCanvas extends Fake implements Canvas {