Add tests for digit separators. (#1633)

Add tests for digit separators.

(They're already working, but there were no tests.)

Author: munificent

.github/workflows/test-package.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        sdk: [3.4.0, dev]
+        sdk: [3.6.0, dev]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - uses: dart-lang/setup-dart@e630b99d28a3b71860378cafdc2a067c71107f94
@@ -50,7 +50,7 @@ jobs:
       matrix:
         # Add macos-latest and/or windows-latest if relevant for this package.
         os: [ubuntu-latest]
-        sdk: [3.4.0, dev]
+        sdk: [3.6.0, dev]
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
       - uses: dart-lang/setup-dart@e630b99d28a3b71860378cafdc2a067c71107f94

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 3.0.2-wip
+
+* Add tests for digit separators.
+
 ## 3.0.1
 
 * Handle trailing commas in for-loop updaters (#1354).

lib/src/cli/formatter_options.dart

@@ -12,7 +12,7 @@ import 'show.dart';
 import 'summary.dart';
 
 // Note: The following line of code is modified by tool/grind.dart.
-const dartStyleVersion = '3.0.1';
+const dartStyleVersion = '3.0.2-wip';
 
 /// Global options that affect how the formatter produces and uses its outputs.
 final class FormatterOptions {

pubspec.yaml

@@ -1,6 +1,6 @@
 name: dart_style
 # Note: See tool/grind.dart for how to bump the version.
-version: 3.0.1
+version: 3.0.2-wip
 description: >-
   Opinionated, automatic Dart source code formatter.
   Provides an API and a CLI tool.

test/short/whitespace/expressions.stmt

@@ -224,4 +224,40 @@ var record = const (1, 2);
   [a!, Foo(:b), ...] = o;
   {'k': _, ...} = o;
   Foo(prop: value, :inferred) = o;
-}
+}
+>>> digit separators
+[
+  100__000_000__000_000__000_000,
+  0x4000_0000_0000_0000,
+  0.000_000_000_01,
+  0x00_14_22_01_23_45,
+  555_123_4567,
+  00_1_00,
+  -00_99,
+  0__0__0__0__0,
+  3.141_592_653,
+  1__9.7_3_9,
+  -1.6_1_8,
+  0__0,
+  1e3_0,
+  1_2e3,
+  1_2.3_4e1,
+];
+<<<
+[
+  100__000_000__000_000__000_000,
+  0x4000_0000_0000_0000,
+  0.000_000_000_01,
+  0x00_14_22_01_23_45,
+  555_123_4567,
+  00_1_00,
+  -00_99,
+  0__0__0__0__0,
+  3.141_592_653,
+  1__9.7_3_9,
+  -1.6_1_8,
+  0__0,
+  1e3_0,
+  1_2e3,
+  1_2.3_4e1,
+];

test/tall/expression/other.stmt

@@ -71,4 +71,40 @@ throw new FormatException('This is a long exception message.');
 <<<
 throw new FormatException(
   'This is a long exception message.',
-);
+);
+>>> Digit separators.
+[
+  100__000_000__000_000__000_000,
+  0x4000_0000_0000_0000,
+  0.000_000_000_01,
+  0x00_14_22_01_23_45,
+  555_123_4567,
+  00_1_00,
+  -00_99,
+  0__0__0__0__0,
+  3.141_592_653,
+  1__9.7_3_9,
+  -1.6_1_8,
+  0__0,
+  1e3_0,
+  1_2e3,
+  1_2.3_4e1,
+];
+<<<
+[
+  100__000_000__000_000__000_000,
+  0x4000_0000_0000_0000,
+  0.000_000_000_01,
+  0x00_14_22_01_23_45,
+  555_123_4567,
+  00_1_00,
+  -00_99,
+  0__0__0__0__0,
+  3.141_592_653,
+  1__9.7_3_9,
+  -1.6_1_8,
+  0__0,
+  1e3_0,
+  1_2e3,
+  1_2.3_4e1,
+];