Reland "Update test font (#121306)" (#122068)

Reland "Update test font (#121306)"

packages/flutter/test/cupertino/button_test.dart

@@ -12,7 +12,6 @@ import 'package:flutter_test/flutter_test.dart';
 import '../widgets/semantics_tester.dart';
 
 const TextStyle testStyle = TextStyle(
-  fontFamily: 'Ahem',
   fontSize: 10.0,
   letterSpacing: 0.0,
 );

packages/flutter/test/cupertino/route_test.dart

@@ -160,7 +160,7 @@ void main() {
 
     // Also shows the previous page's title next to the back button.
     expect(find.widgetWithText(CupertinoButton, 'An iPod'), findsOneWidget);
-    // 3 paddings + 1 ahem character at font size 34.0.
+    // 3 paddings + 1 test font character at font size 34.0.
     expect(tester.getTopLeft(find.text('An iPod')).dx, 8.0 + 4.0 + 34.0 + 6.0);
   });
 

packages/flutter/test/cupertino/text_field_test.dart

@@ -3496,10 +3496,7 @@ void main() {
           child: CupertinoTextField(
             dragStartBehavior: DragStartBehavior.down,
             controller: controller,
-            style: const TextStyle(
-              fontFamily: 'Ahem',
-              fontSize: 10.0,
-            ),
+            style: const TextStyle(fontSize: 10.0),
           ),
         ),
       ),
@@ -4045,10 +4042,7 @@ void main() {
           child: CupertinoTextField(
             dragStartBehavior: DragStartBehavior.down,
             controller: controller,
-            style: const TextStyle(
-              fontFamily: 'Ahem',
-              fontSize: 10.0,
-            ),
+            style: const TextStyle(fontSize: 10.0),
           ),
         ),
       ),
@@ -4180,10 +4174,7 @@ void main() {
           child: CupertinoTextField(
             dragStartBehavior: DragStartBehavior.down,
             controller: controller,
-            style: const TextStyle(
-              fontFamily: 'Ahem',
-              fontSize: 10.0,
-            ),
+            style: const TextStyle(fontSize: 10.0),
           ),
         ),
       ),
@@ -7858,7 +7849,6 @@ void main() {
   testWidgets('placeholder style overflow works', (WidgetTester tester) async {
     final String placeholder = 'hint text' * 20;
     const TextStyle placeholderStyle = TextStyle(
-      fontFamily: 'Ahem',
       fontSize: 14.0,
       overflow: TextOverflow.fade,
     );

packages/flutter/test/material/chip_test.dart

@@ -576,7 +576,7 @@ void main() {
   );
 
   testWidgets('Chip in row works ok', (WidgetTester tester) async {
-    const TextStyle style = TextStyle(fontFamily: 'Ahem', fontSize: 10.0);
+    const TextStyle style = TextStyle(fontSize: 10.0);
     await tester.pumpWidget(
       wrapForChip(
         child: const Row(

packages/flutter/test/material/tabs_test.dart

@@ -288,24 +288,24 @@ void main() {
 
   testWidgets('Tab sizing - text', (WidgetTester tester) async {
     await tester.pumpWidget(
-      MaterialApp(theme: ThemeData(fontFamily: 'Ahem'), home: const Center(child: Material(child: Tab(text: 'x')))),
+      MaterialApp(theme: ThemeData(fontFamily: 'FlutterTest'), home: const Center(child: Material(child: Tab(text: 'x')))),
     );
-    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'Ahem');
+    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'FlutterTest');
     expect(tester.getSize(find.byType(Tab)), const Size(14.0, 46.0));
   });
 
   testWidgets('Tab sizing - icon and text', (WidgetTester tester) async {
     await tester.pumpWidget(
-      MaterialApp(theme: ThemeData(fontFamily: 'Ahem'), home: const Center(child: Material(child: Tab(icon: SizedBox(width: 10.0, height: 10.0), text: 'x')))),
+      MaterialApp(theme: ThemeData(fontFamily: 'FlutterTest'), home: const Center(child: Material(child: Tab(icon: SizedBox(width: 10.0, height: 10.0), text: 'x')))),
     );
-    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'Ahem');
+    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'FlutterTest');
     expect(tester.getSize(find.byType(Tab)), const Size(14.0, 72.0));
   });
 
   testWidgets('Tab sizing - icon, iconMargin and text', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
-        theme: ThemeData(fontFamily: 'Ahem'),
+        theme: ThemeData(fontFamily: 'FlutterTest'),
         home: const Center(
           child: Material(
             child: Tab(
@@ -322,15 +322,15 @@ void main() {
         ),
       ),
     );
-    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'Ahem');
+    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'FlutterTest');
     expect(tester.getSize(find.byType(Tab)), const Size(210.0, 72.0));
   });
 
   testWidgets('Tab sizing - icon and child', (WidgetTester tester) async {
     await tester.pumpWidget(
-      MaterialApp(theme: ThemeData(fontFamily: 'Ahem'), home: const Center(child: Material(child: Tab(icon: SizedBox(width: 10.0, height: 10.0), child: Text('x'))))),
+      MaterialApp(theme: ThemeData(fontFamily: 'FlutterTest'), home: const Center(child: Material(child: Tab(icon: SizedBox(width: 10.0, height: 10.0), child: Text('x'))))),
     );
-    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'Ahem');
+    expect(tester.renderObject<RenderParagraph>(find.byType(RichText)).text.style!.fontFamily, 'FlutterTest');
     expect(tester.getSize(find.byType(Tab)), const Size(14.0, 72.0));
   });
 

packages/flutter/test/material/text_field_test.dart

@@ -2241,7 +2241,7 @@ void main() {
           child: TextField(
             dragStartBehavior: DragStartBehavior.down,
             controller: controller,
-            style: const TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+            style: const TextStyle(fontSize: 10.0),
           ),
         ),
       ),
@@ -6913,20 +6913,26 @@ void main() {
                 key: keyA,
                 decoration: null,
                 controller: controllerA,
-                style: const TextStyle(fontSize: 10.0),
+                // The point size of the font must be a multiple of 4 until
+                // https://github.com/flutter/flutter/issues/122066 is resolved.
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 12.0),
                 strutStyle: StrutStyle.disabled,
               ),
             ),
             const Text(
               'abc',
-              style: TextStyle(fontSize: 20.0),
+              // The point size of the font must be a multiple of 4 until
+              // https://github.com/flutter/flutter/issues/122066 is resolved.
+              style: TextStyle(fontFamily: 'FlutterTest', fontSize: 24.0),
             ),
             Expanded(
               child: TextField(
                 key: keyB,
                 decoration: null,
                 controller: controllerB,
-                style: const TextStyle(fontSize: 30.0),
+                // The point size of the font must be a multiple of 4 until
+                // https://github.com/flutter/flutter/issues/122066 is resolved.
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 36.0),
                 strutStyle: StrutStyle.disabled,
               ),
             ),
@@ -6935,17 +6941,17 @@ void main() {
       ),
     );
 
-    // The Ahem font extends 0.2 * fontSize below the baseline.
+    // The test font extends 0.25 * fontSize below the baseline.
     // So the three row elements line up like this:
     //
     //  A  abc  B
-    //  ---------   baseline
-    //  2  4    6   space below the baseline = 0.2 * fontSize
-    //  ---------   rowBottomY
+    //  ---------  baseline
+    //  3   6   9  space below the baseline = 0.25 * fontSize
+    //  ---------  rowBottomY
 
     final double rowBottomY = tester.getBottomLeft(find.byType(Row)).dy;
-    expect(tester.getBottomLeft(find.byKey(keyA)).dy, moreOrLessEquals(rowBottomY - 4.0, epsilon: 0.001));
-    expect(tester.getBottomLeft(find.text('abc')).dy, moreOrLessEquals(rowBottomY - 2.0, epsilon: 0.001));
+    expect(tester.getBottomLeft(find.byKey(keyA)).dy, rowBottomY - 6.0);
+    expect(tester.getBottomLeft(find.text('abc')).dy, rowBottomY - 3.0);
     expect(tester.getBottomLeft(find.byKey(keyB)).dy, rowBottomY);
   });
 
@@ -6966,19 +6972,25 @@ void main() {
                 key: keyA,
                 decoration: null,
                 controller: controllerA,
-                style: const TextStyle(fontSize: 10.0),
+                // The point size of the font must be a multiple of 4 until
+                // https://github.com/flutter/flutter/issues/122066 is resolved.
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 12.0),
               ),
             ),
             const Text(
               'abc',
-              style: TextStyle(fontSize: 20.0),
+              // The point size of the font must be a multiple of 4 until
+              // https://github.com/flutter/flutter/issues/122066 is resolved.
+              style: TextStyle(fontFamily: 'FlutterTest', fontSize: 24.0),
             ),
             Expanded(
               child: TextField(
                 key: keyB,
                 decoration: null,
                 controller: controllerB,
-                style: const TextStyle(fontSize: 30.0),
+                // The point size of the font must be a multiple of 4 until
+                // https://github.com/flutter/flutter/issues/122066 is resolved.
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 36.0),
               ),
             ),
           ],
@@ -6986,18 +6998,18 @@ void main() {
       ),
     );
 
-    // The Ahem font extends 0.2 * fontSize below the baseline.
+    // The test font extends 0.25 * fontSize below the baseline.
     // So the three row elements line up like this:
     //
     //  A  abc  B
-    //  ---------   baseline
-    //  2  4    6   space below the baseline = 0.2 * fontSize
-    //  ---------   rowBottomY
+    //  ---------  baseline
+    //  3   6   9  space below the baseline = 0.25 * fontSize
+    //  ---------  rowBottomY
 
     final double rowBottomY = tester.getBottomLeft(find.byType(Row)).dy;
     // The values here should match the version with strut disabled ('TextField baseline alignment no-strut')
-    expect(tester.getBottomLeft(find.byKey(keyA)).dy, moreOrLessEquals(rowBottomY - 4.0, epsilon: 0.001));
-    expect(tester.getBottomLeft(find.text('abc')).dy, moreOrLessEquals(rowBottomY - 2.0, epsilon: 0.001));
+    expect(tester.getBottomLeft(find.byKey(keyA)).dy, rowBottomY - 6.0);
+    expect(tester.getBottomLeft(find.text('abc')).dy, rowBottomY - 3.0);
     expect(tester.getBottomLeft(find.byKey(keyB)).dy, rowBottomY);
   });
 

packages/flutter/test/material/theme_data_test.dart

@@ -101,14 +101,14 @@ void main() {
 
   test('Can control fontFamily default', () {
     final ThemeData themeData = ThemeData(
-      fontFamily: 'Ahem',
+      fontFamily: 'FlutterTest',
       textTheme: const TextTheme(
         titleLarge: TextStyle(fontFamily: 'Roboto'),
       ),
     );
 
-    expect(themeData.textTheme.bodyLarge!.fontFamily, equals('Ahem'));
-    expect(themeData.primaryTextTheme.displaySmall!.fontFamily, equals('Ahem'));
+    expect(themeData.textTheme.bodyLarge!.fontFamily, equals('FlutterTest'));
+    expect(themeData.primaryTextTheme.displaySmall!.fontFamily, equals('FlutterTest'));
 
     // Shouldn't override the specified style's family
     expect(themeData.textTheme.titleLarge!.fontFamily, equals('Roboto'));

packages/flutter/test/material/toggle_buttons_test.dart

@@ -1326,6 +1326,8 @@ void main() {
   });
 
   testWidgets('ToggleButtons text baseline alignment', (WidgetTester tester) async {
+    // The point size of the fonts must be a multiple of 4 until
+    // https://github.com/flutter/flutter/issues/122066 is resolved.
     await tester.pumpWidget(
       Material(
         child: boilerplate(
@@ -1337,27 +1339,27 @@ void main() {
                 borderWidth: 5.0,
                 isSelected: const <bool>[false, true],
                 children: const <Widget>[
-                  Text('First child', style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0)),
-                  Text('Second child', style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0)),
+                  Text('First child', style: TextStyle(fontFamily: 'FlutterTest', fontSize: 8.0)),
+                  Text('Second child', style: TextStyle(fontFamily: 'FlutterTest', fontSize: 8.0)),
                 ],
               ),
               const MaterialButton(
                 onPressed: null,
-                child: Text('Material Button', style: TextStyle(fontFamily: 'Ahem', fontSize: 20.0)),
+                child: Text('Material Button', style: TextStyle(fontFamily: 'FlutterTest', fontSize: 20.0)),
               ),
-              const Text('Text', style: TextStyle(fontFamily: 'Ahem', fontSize: 30.0)),
+              const Text('Text', style: TextStyle(fontFamily: 'FlutterTest', fontSize: 28.0)),
             ],
           ),
         ),
       ),
     );
 
-    // The Ahem font extends 0.2 * fontSize below the baseline.
+    // The test font extends 0.25 * fontSize below the baseline.
     // So the three row elements line up like this:
     //
     //  ToggleButton  MaterialButton  Text
     //  ------------------------------------   baseline
-    //  2             4               6        space below the baseline = 0.2 * fontSize
+    //  2.0           5.0             7.0      space below the baseline = 0.25 * fontSize
     //  ------------------------------------   widget text dy values
 
     final double firstToggleButtonDy = tester.getBottomLeft(find.text('First child')).dy;
@@ -1366,8 +1368,8 @@ void main() {
     final double textDy = tester.getBottomLeft(find.text('Text')).dy;
 
     expect(firstToggleButtonDy, secondToggleButtonDy);
-    expect(firstToggleButtonDy, moreOrLessEquals(materialButtonDy - 2.0, epsilon: 0.001));
-    expect(firstToggleButtonDy, moreOrLessEquals(textDy - 4.0, epsilon: 0.001));
+    expect(firstToggleButtonDy, materialButtonDy - 3.0);
+    expect(firstToggleButtonDy, textDy - 5.0);
   });
 
   testWidgets('Directionality test', (WidgetTester tester) async {

packages/flutter/test/painting/text_painter_rtl_test.dart

@@ -16,7 +16,7 @@ void main() {
 
     painter.text = const TextSpan(
       text: 'ABC DEF\nGHI',
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     painter.layout();
 
@@ -42,7 +42,7 @@ void main() {
     painter.text = const TextSpan(
       text: '${Unicode.RLO}HEBREW1 ${Unicode.LRO}english2${Unicode.PDF} HEBREW3${Unicode.PDF}',
            //      0       12345678      9      101234567       18     90123456       27
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     TextSpan textSpan = painter.text! as TextSpan;
     expect(textSpan.text!.length, 28);
@@ -175,7 +175,7 @@ void main() {
     painter.text = const TextSpan(
       text: '${Unicode.RLO}HEBREW1 ${Unicode.LRO}english2${Unicode.PDF} HEBREW3${Unicode.PDF}',
            //      0       12345678      9      101234567       18     90123456       27
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     final TextSpan textSpan = painter.text! as TextSpan;
     expect(textSpan.text!.length, 28);
@@ -266,7 +266,7 @@ void main() {
 
     painter.text = const TextSpan(
       text: 'A\u05D0', // A, Alef
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     final TextSpan textSpan = painter.text! as TextSpan;
     expect(textSpan.text!.length, 2);
@@ -333,14 +333,14 @@ void main() {
       ..textDirection = TextDirection.ltr;
 
     painter.text = const TextSpan(
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
       children: <TextSpan>[
         TextSpan(
           text: 'hello', // width 50
         ),
         TextSpan(
           text: 'lovely', // width 120
-          style: TextStyle(fontFamily: 'Ahem', fontSize: 20.0),
+          style: TextStyle(fontSize: 20.0),
         ),
         TextSpan(
           text: 'world', // width 50
@@ -368,14 +368,14 @@ void main() {
       ..textDirection = TextDirection.ltr;
 
     painter.text = const TextSpan(
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
       children: <TextSpan>[
         TextSpan(
           text: 'hello', // width 50
         ),
         TextSpan(
           text: '\u062C\u0645\u064A\u0644', // width 80
-          style: TextStyle(fontFamily: 'Ahem', fontSize: 20.0),
+          style: TextStyle(fontSize: 20.0),
         ),
         TextSpan(
           text: 'world', // width 50
@@ -425,14 +425,14 @@ void main() {
       ..textDirection = TextDirection.rtl;
 
     painter.text = const TextSpan(
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
       children: <TextSpan>[
         TextSpan(
           text: 'hello', // width 50
         ),
         TextSpan(
           text: '\u062C\u0645\u064A\u0644', // width 80
-          style: TextStyle(fontFamily: 'Ahem', fontSize: 20.0),
+          style: TextStyle(fontSize: 20.0),
         ),
         TextSpan(
           text: 'world', // width 50
@@ -463,7 +463,7 @@ void main() {
     final String pyramid = rlo(lro(rlo(lro(rlo('')))));
     painter.text = TextSpan(
       text: pyramid,
-      style: const TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: const TextStyle(fontSize: 10.0),
     );
     painter.layout();
 
@@ -494,7 +494,7 @@ void main() {
 
     painter.text = const TextSpan(
       text: 'ABC\u05D0\u05D1\u05D2DEF', // A B C Alef Bet Gimel D E F -- but the Hebrew letters are RTL
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     painter.layout();
 
@@ -578,7 +578,7 @@ void main() {
 
     painter.text = const TextSpan(
       text: '\u05D0\u05D1\u05D2ABC\u05D3\u05D4\u05D5',
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+      style: TextStyle(fontSize: 10.0),
     );
     painter.layout();
 
@@ -624,7 +624,7 @@ void main() {
 
     painter.text = const TextSpan(
       text: ' ',
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 100.0),
+      style: TextStyle(fontSize: 100.0),
       children: <TextSpan>[
         TextSpan(
           text: ' ',
@@ -685,10 +685,10 @@ void main() {
       ..textDirection = TextDirection.ltr;
     painter.text = const TextSpan(
       text: '',
-      style: TextStyle(fontFamily: 'Ahem', fontSize: 100.0, height: 1.0),
+      style: TextStyle(fontFamily: 'FlutterTest', fontSize: 100.0, height: 1.0),
     );
     painter.layout();
-    expect(painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), moreOrLessEquals(80.0, epsilon: 0.001));
+    expect(painter.computeDistanceToActualBaseline(TextBaseline.alphabetic), 75.0);
     painter.dispose();
   });
 }

packages/flutter/test/painting/text_painter_test.dart

@@ -199,11 +199,7 @@ void main() {
     final TextPainter painter = TextPainter(
       text: const TextSpan(
         text: 'X',
-        style: TextStyle(
-          inherit: false,
-          fontFamily: 'Ahem',
-          fontSize: 123.0,
-        ),
+        style: TextStyle(inherit: false, fontSize: 123.0),
       ),
       textDirection: TextDirection.ltr,
     );
@@ -216,11 +212,7 @@ void main() {
     final TextPainter painter = TextPainter(
       text: const TextSpan(
         text: 'X',
-        style: TextStyle(
-          inherit: false,
-          fontFamily: 'Ahem',
-          fontSize: 10.0,
-        ),
+        style: TextStyle(inherit: false, fontSize: 10.0),
       ),
       textDirection: TextDirection.ltr,
       textScaleFactor: 2.0,
@@ -268,7 +260,6 @@ void main() {
   test('TextPainter intrinsic dimensions', () {
     const TextStyle style = TextStyle(
       inherit: false,
-      fontFamily: 'Ahem',
       fontSize: 10.0,
     );
     TextPainter painter;

packages/flutter/test/rendering/editable_gesture_test.dart

@@ -21,9 +21,7 @@ void main() {
       textSelectionDelegate: delegate,
       text: const TextSpan(
         text: 'test',
-        style: TextStyle(
-          height: 1.0, fontSize: 10.0, fontFamily: 'Ahem',
-        ),
+        style: TextStyle(height: 1.0, fontSize: 10.0),
       ),
       startHandleLayerLink: LayerLink(),
       endHandleLayerLink: LayerLink(),

packages/flutter/test/rendering/paragraph_test.dart

@@ -148,7 +148,7 @@ void main() {
     final RenderParagraph paragraph = RenderParagraph(
       const TextSpan(
         text: 'First ',
-        style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+        style: TextStyle(fontFamily: 'FlutterTest', fontSize: 10.0),
         children: <InlineSpan>[
           TextSpan(text: 'smallsecond ', style: TextStyle(fontSize: 5.0)),
           TextSpan(text: 'third fourth fifth'),
@@ -175,14 +175,14 @@ void main() {
     // The widths of the boxes should match the calculations above.
     // The heights should all be 10, except for the box for 'smallsecond ',
     // which should have height 5, and be alphabetic baseline-aligned with
-    // 'First '. The Ahem font specifies alphabetic baselines at 0.2em above the
-    // bottom extent, and 0.8em below the top, so the difference in top
-    // alignment becomes (10px * 0.8 - 5px * 0.8) = 4px.
+    // 'First '. The test font specifies alphabetic baselines at 0.25em above
+    // the bottom extent, and 0.75em below the top, so the difference in top
+    // alignment becomes (10px * 0.75 - 5px * 0.75) = 3.75px.
 
     // 'First ':
     expect(boxes[0], const TextBox.fromLTRBD(0.0, 0.0, 60.0, 10.0, TextDirection.ltr));
     // 'smallsecond ' in size 5:
-    expect(boxes[1], const TextBox.fromLTRBD(60.0, 4.0, 120.0, 9.0, TextDirection.ltr));
+    expect(boxes[1], const TextBox.fromLTRBD(60.0, 3.75, 120.0, 8.75, TextDirection.ltr));
     // 'third fourth ':
     expect(boxes[2], const TextBox.fromLTRBD(0.0, 10.0, 130.0, 20.0, TextDirection.ltr));
     // 'fifth':
@@ -193,7 +193,7 @@ void main() {
     final RenderParagraph paragraph = RenderParagraph(
       const TextSpan(
         text: 'First ',
-        style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+        style: TextStyle(fontFamily: 'FlutterTest', fontSize: 10.0),
         children: <InlineSpan>[
           TextSpan(text: 'smallsecond ', style: TextStyle(fontSize: 8.0)),
           TextSpan(text: 'third fourth fifth'),
@@ -253,7 +253,7 @@ void main() {
       const TextSpan(
         text: 'This\n' // 4 characters * 10px font size = 40px width on the first line
               'is a wrapping test. It should wrap at manual newlines, and if softWrap is true, also at spaces.',
-        style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+        style: TextStyle(fontSize: 10.0),
       ),
       textDirection: TextDirection.ltr,
       maxLines: 1,
@@ -333,7 +333,7 @@ void main() {
         text: "How do you write like you're running out of time? Write day and night like you're running out of time?",
             // 0123456789 0123456789 012 345 0123456 012345 01234 012345678 012345678 0123 012 345 0123456 012345 01234
             // 0          1          2       3       4      5     6         7         8    9       10      11     12
-        style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+        style: TextStyle(fontSize: 10.0),
       ),
       textDirection: TextDirection.ltr,
     );

packages/flutter/test/widgets/baseline_test.dart

@@ -11,7 +11,6 @@ void main() {
       const Center(
         child: DefaultTextStyle(
           style: TextStyle(
-            fontFamily: 'Ahem',
             fontSize: 100.0,
           ),
           child: Text('X', textDirection: TextDirection.ltr),
@@ -25,11 +24,11 @@ void main() {
     await tester.pumpWidget(
       const Center(
         child: Baseline(
-          baseline: 180.0,
+          baseline: 175.0,
           baselineType: TextBaseline.alphabetic,
           child: DefaultTextStyle(
             style: TextStyle(
-              fontFamily: 'Ahem',
+              fontFamily: 'FlutterTest',
               fontSize: 100.0,
             ),
             child: Text('X', textDirection: TextDirection.ltr),
@@ -40,7 +39,7 @@ void main() {
     expect(tester.renderObject<RenderBox>(find.text('X')).size, const Size(100.0, 100.0));
     expect(
       tester.renderObject<RenderBox>(find.byType(Baseline)).size,
-      within<Size>(from: const Size(100.0, 200.0), distance: 0.001),
+      const Size(100.0, 200),
     );
   });
 

packages/flutter/test/widgets/basic_test.dart

@@ -454,8 +454,10 @@ void main() {
     testWidgets('multiple baseline aligned children', (WidgetTester tester) async {
       final UniqueKey key1 = UniqueKey();
       final UniqueKey key2 = UniqueKey();
-      const double fontSize1 = 54;
-      const double fontSize2 = 14;
+      // The point size of the font must be a multiple of 4 until
+      // https://github.com/flutter/flutter/issues/122066 is resolved.
+      const double fontSize1 = 52;
+      const double fontSize2 = 12;
 
       await tester.pumpWidget(
         MaterialApp(
@@ -466,11 +468,11 @@ void main() {
               children: <Widget>[
                 Text('big text',
                   key: key1,
-                  style: const TextStyle(fontSize: fontSize1),
+                  style: const TextStyle(fontFamily: 'FlutterTest', fontSize: fontSize1),
                 ),
                 Text('one\ntwo\nthree\nfour\nfive\nsix\nseven',
                   key: key2,
-                  style: const TextStyle(fontSize: fontSize2),
+                  style: const TextStyle(fontFamily: 'FlutterTest', fontSize: fontSize2),
                 ),
               ],
             ),
@@ -488,29 +490,28 @@ void main() {
       // lines, but being aligned by the first line's baseline, they hang far
       // below the baseline. The size of the parent row is just enough to
       // contain both of them.
-      const double ahemBaselineLocation = 0.8; // https://web-platform-tests.org/writing-tests/ahem.html
-      const double aboveBaseline1 = fontSize1 * ahemBaselineLocation;
-      const double belowBaseline1 = fontSize1 * (1 - ahemBaselineLocation);
-      const double aboveBaseline2 = fontSize2 * ahemBaselineLocation;
-      const double belowBaseline2 = fontSize2 * (1 - ahemBaselineLocation) + fontSize2 * 6;
+      const double ascentRatio = 0.75;
+      const double aboveBaseline1 = fontSize1 * ascentRatio;
+      const double belowBaseline1 = fontSize1 * (1 - ascentRatio);
+      const double aboveBaseline2 = fontSize2 * ascentRatio;
+      const double belowBaseline2 = fontSize2 * (1 - ascentRatio) + fontSize2 * 6;
       final double aboveBaseline = math.max(aboveBaseline1, aboveBaseline2);
       final double belowBaseline = math.max(belowBaseline1, belowBaseline2);
       expect(rowBox.size.height, greaterThan(textBox1.size.height));
       expect(rowBox.size.height, greaterThan(textBox2.size.height));
-      expect(rowBox.size.height, moreOrLessEquals(aboveBaseline + belowBaseline, epsilon: .001));
+      expect(rowBox.size.height, aboveBaseline + belowBaseline, );
       expect(tester.getTopLeft(find.byKey(key1)).dy, 0);
-      expect(
-        tester.getTopLeft(find.byKey(key2)).dy,
-        moreOrLessEquals(aboveBaseline1 - aboveBaseline2, epsilon: .001),
-      );
+      expect(tester.getTopLeft(find.byKey(key2)).dy, aboveBaseline1 - aboveBaseline2);
     });
 
     testWidgets('baseline aligned children account for a larger, no-baseline child size', (WidgetTester tester) async {
       // Regression test for https://github.com/flutter/flutter/issues/58898
       final UniqueKey key1 = UniqueKey();
       final UniqueKey key2 = UniqueKey();
-      const double fontSize1 = 54;
-      const double fontSize2 = 14;
+      // The point size of the font must be a multiple of 4 until
+      // https://github.com/flutter/flutter/issues/122066 is resolved.
+      const double fontSize1 = 52;
+      const double fontSize2 = 12;
 
       await tester.pumpWidget(
         MaterialApp(
@@ -521,11 +522,11 @@ void main() {
               children: <Widget>[
                 Text('big text',
                   key: key1,
-                  style: const TextStyle(fontSize: fontSize1),
+                  style: const TextStyle(fontFamily: 'FlutterTest', fontSize: fontSize1),
                 ),
                 Text('one\ntwo\nthree\nfour\nfive\nsix\nseven',
                   key: key2,
-                  style: const TextStyle(fontSize: fontSize2),
+                  style: const TextStyle(fontFamily: 'FlutterTest', fontSize: fontSize2),
                 ),
                 const FlutterLogo(size: 250),
               ],
@@ -544,16 +545,16 @@ void main() {
       // lines, but being aligned by the first line's baseline, they hang far
       // below the baseline. The FlutterLogo extends further than both Texts,
       // so the size of the parent row should contain the FlutterLogo as well.
-      const double ahemBaselineLocation = 0.8; // https://web-platform-tests.org/writing-tests/ahem.html
-      const double aboveBaseline1 = fontSize1 * ahemBaselineLocation;
-      const double aboveBaseline2 = fontSize2 * ahemBaselineLocation;
+      const double ascentRatio = 0.75;
+      const double aboveBaseline1 = fontSize1 * ascentRatio;
+      const double aboveBaseline2 = fontSize2 * ascentRatio;
       expect(rowBox.size.height, greaterThan(textBox1.size.height));
       expect(rowBox.size.height, greaterThan(textBox2.size.height));
       expect(rowBox.size.height, 250);
       expect(tester.getTopLeft(find.byKey(key1)).dy, 0);
       expect(
         tester.getTopLeft(find.byKey(key2)).dy,
-        moreOrLessEquals(aboveBaseline1 - aboveBaseline2, epsilon: .001),
+        aboveBaseline1 - aboveBaseline2,
       );
     });
   });

packages/flutter/test/widgets/default_colors_test.dart

@@ -9,7 +9,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 const double _crispText = 100.0; // this font size is selected to avoid needing any antialiasing.
-const String _expText = 'Éxp'; // renders in Ahem as:
+const String _expText = 'Éxp'; // renders in the test font as:
 
 // ########
 // ########

packages/flutter/test/widgets/scrollable_fling_test.dart

@@ -8,7 +8,6 @@ import 'package:flutter_test/flutter_test.dart';
 
 const TextStyle testFont = TextStyle(
   color: Color(0xFF00FF00),
-  fontFamily: 'Ahem',
 );
 
 Future<void> pumpTest(WidgetTester tester, TargetPlatform platform) async {

packages/flutter/test/widgets/selectable_text_test.dart

@@ -797,7 +797,7 @@ void main() {
           child: SelectableText(
             'abc def ghi',
             dragStartBehavior: DragStartBehavior.down,
-            style: TextStyle(fontFamily: 'Ahem', fontSize: 10.0),
+            style: TextStyle(fontSize: 10.0),
           ),
         ),
       ),
@@ -2071,19 +2071,19 @@ void main() {
               child: SelectableText(
                 'A',
                 key: keyA,
-                style: const TextStyle(fontSize: 10.0),
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 10.0),
                 strutStyle: StrutStyle.disabled,
               ),
             ),
             const Text(
               'abc',
-              style: TextStyle(fontSize: 20.0),
+              style: TextStyle(fontFamily: 'FlutterTest', fontSize: 20.0),
             ),
             Expanded(
               child: SelectableText(
                 'B',
                 key: keyB,
-                style: const TextStyle(fontSize: 30.0),
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 30.0),
                 strutStyle: StrutStyle.disabled,
               ),
             ),
@@ -2092,17 +2092,17 @@ void main() {
       ),
     );
 
-    // The Ahem font extends 0.2 * fontSize below the baseline.
+    // The test font extends 0.25 * fontSize below the baseline.
     // So the three row elements line up like this:
     //
-    //  A  abc  B
-    //  ---------   baseline
-    //  2  4    6   space below the baseline = 0.2 * fontSize
-    //  ---------   rowBottomY
+    //  A    abc  B
+    //  -------------  baseline
+    //  2.5  5    7.5  space below the baseline = 0.25 * fontSize
+    //  -------------  rowBottomY
 
     final double rowBottomY = tester.getBottomLeft(find.byType(Row)).dy;
-    expect(tester.getBottomLeft(find.byKey(keyA)).dy, moreOrLessEquals(rowBottomY - 4.0, epsilon: 1e-3));
-    expect(tester.getBottomLeft(find.text('abc')).dy, moreOrLessEquals(rowBottomY - 2.0, epsilon: 1e-3));
+    expect(tester.getBottomLeft(find.byKey(keyA)).dy, rowBottomY - 5.0);
+    expect(tester.getBottomLeft(find.text('abc')).dy, rowBottomY - 2.5);
     expect(tester.getBottomLeft(find.byKey(keyB)).dy, rowBottomY);
   });
 
@@ -2120,18 +2120,18 @@ void main() {
               child: SelectableText(
                 'A',
                 key: keyA,
-                style: const TextStyle(fontSize: 10.0),
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 10.0),
               ),
             ),
             const Text(
               'abc',
-              style: TextStyle(fontSize: 20.0),
+              style: TextStyle(fontFamily: 'FlutterTest', fontSize: 20.0),
             ),
             Expanded(
               child: SelectableText(
                 'B',
                 key: keyB,
-                style: const TextStyle(fontSize: 30.0),
+                style: const TextStyle(fontFamily: 'FlutterTest', fontSize: 30.0),
               ),
             ),
           ],
@@ -2139,17 +2139,17 @@ void main() {
       ),
     );
 
-    // The Ahem font extends 0.2 * fontSize below the baseline.
+    // The test font extends 0.25 * fontSize below the baseline.
     // So the three row elements line up like this:
     //
-    //  A  abc  B
-    //  ---------   baseline
-    //  2  4    6   space below the baseline = 0.2 * fontSize
-    //  ---------   rowBottomY
+    //  A    abc  B
+    //  -------------  baseline
+    //  2.5  5    7.5  space below the baseline = 0.25 * fontSize
+    //  -------------  rowBottomY
 
     final double rowBottomY = tester.getBottomLeft(find.byType(Row)).dy;
-    expect(tester.getBottomLeft(find.byKey(keyA)).dy, moreOrLessEquals(rowBottomY - 4.0, epsilon: 1e-3));
-    expect(tester.getBottomLeft(find.text('abc')).dy, moreOrLessEquals(rowBottomY - 2.0, epsilon: 1e-3));
+    expect(tester.getBottomLeft(find.byKey(keyA)).dy, rowBottomY - 5.0);
+    expect(tester.getBottomLeft(find.text('abc')).dy, rowBottomY - 2.5);
     expect(tester.getBottomLeft(find.byKey(keyB)).dy, rowBottomY);
   });
 
@@ -2445,7 +2445,7 @@ void main() {
   testWidgets('semantic nodes of offscreen recognizers are marked hidden', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/100395.
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem', fontSize: 200);
+    const TextStyle textStyle = TextStyle(fontSize: 200);
     const String onScreenText = 'onscreen\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n';
     const String offScreenText = 'off screen';
     final ScrollController controller = ScrollController();

packages/flutter/test/widgets/semantics_tester_test.dart

@@ -11,7 +11,7 @@ import 'semantics_tester.dart';
 void main() {
   testWidgets('Semantics tester visits last child', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(

packages/flutter/test/widgets/text_selection_test.dart

@@ -1662,7 +1662,7 @@ class FakeEditable extends LeafRenderObjectWidget {
 class FakeRenderEditable extends RenderEditable {
   FakeRenderEditable(EditableTextState delegate) : super(
     text: const TextSpan(
-      style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'),
+      style: TextStyle(height: 1.0, fontSize: 10.0),
       text: 'placeholder',
     ),
     startHandleLayerLink: LayerLink(),

packages/flutter/test/widgets/text_test.dart

@@ -135,7 +135,7 @@ void main() {
 
   testWidgets('inline widgets works with ellipsis', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/35869
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -168,7 +168,7 @@ void main() {
 
   testWidgets('inline widgets hitTest works with ellipsis', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/68559
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -514,7 +514,7 @@ void main() {
 
   testWidgets('recognizers split semantic node', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -569,7 +569,7 @@ void main() {
   testWidgets('semantic nodes of offscreen recognizers are marked hidden', (WidgetTester tester) async {
     // Regression test for https://github.com/flutter/flutter/issues/100395.
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem', fontSize: 200);
+    const TextStyle textStyle = TextStyle(fontSize: 200);
     const String onScreenText = 'onscreen\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n';
     const String offScreenText = 'off screen';
     final ScrollController controller = ScrollController();
@@ -637,7 +637,7 @@ void main() {
 
   testWidgets('recognizers split semantic node when TextSpan overflows', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       SizedBox(
         height: 10,
@@ -688,7 +688,7 @@ void main() {
 
   testWidgets('recognizers split semantic nodes with text span labels', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -746,7 +746,7 @@ void main() {
 
   testWidgets('recognizers split semantic node - bidi', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       RichText(
         text: TextSpan(
@@ -827,7 +827,7 @@ void main() {
 
   testWidgets('TapGesture recognizers contribute link semantics', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -867,7 +867,7 @@ void main() {
 
   testWidgets('inline widgets generate semantic nodes', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(
@@ -941,7 +941,7 @@ void main() {
 
   testWidgets('inline widgets semantic nodes scale', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
-    const TextStyle textStyle = TextStyle(fontFamily: 'Ahem');
+    const TextStyle textStyle = TextStyle();
     await tester.pumpWidget(
       Text.rich(
         TextSpan(

packages/flutter/test/widgets/wrap_test.dart

@@ -793,11 +793,11 @@ void main() {
     await tester.pumpWidget(
       const Center(
         child: Baseline(
-          baseline: 180.0,
+          baseline: 175.0,
           baselineType: TextBaseline.alphabetic,
           child: DefaultTextStyle(
             style: TextStyle(
-              fontFamily: 'Ahem',
+              fontFamily: 'FlutterTest',
               fontSize: 100.0,
             ),
             child: Wrap(
@@ -813,7 +813,7 @@ void main() {
     expect(tester.renderObject<RenderBox>(find.text('X')).size, const Size(100.0, 100.0));
     expect(
       tester.renderObject<RenderBox>(find.byType(Baseline)).size,
-      within<Size>(from: const Size(100.0, 200.0), distance: 0.001),
+      const Size(100.0, 200.0),
     );
   });