From bd2fbd35888413217337dd327ad90015c0322d12 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@oriontransfer.co.nz>
Date: Thu, 29 Sep 2022 00:08:03 +1300
Subject: Add `Coverage.supported?` to detect what modes are supported.

---
 test/coverage/test_coverage.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test/coverage')

diff --git a/test/coverage/test_coverage.rb b/test/coverage/test_coverage.rb
index f9f9b2c04d..211faa0cbc 100644
--- a/test/coverage/test_coverage.rb
+++ b/test/coverage/test_coverage.rb
@@ -172,6 +172,14 @@ class TestCoverage < Test::Unit::TestCase
     end;
   end
 
+  def test_coverage_supported
+    assert Coverage.supported?(:lines)
+    assert Coverage.supported?(:branches)
+    assert Coverage.supported?(:methods)
+    assert Coverage.supported?(:eval)
+    refute Coverage.supported?(:all)
+  end
+
   def test_nocoverage_optimized_line
     assert_ruby_status(%w[], "#{<<-"begin;"}\n#{<<-'end;'}")
     begin;
-- 
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