YJIT: Add RubyVM::YJIT.enable (#8705)

1 files changed, 23 insertions, 14 deletions

diff --git a/test/ruby/test_yjit.rb b/test/ruby/test_yjit.rb
index 4066664600..fa357b4977 100644
--- a/test/ruby/test_yjit.rb
+++ b/test/ruby/test_yjit.rb
@@ -51,27 +51,36 @@ class TestYJIT < Test::Unit::TestCase
     #assert_in_out_err('--yjit-call-threshold=', '', [], /--yjit-call-threshold needs an argument/)
   end
 
-  def test_starting_paused
-    program = <<~RUBY
+  def test_yjit_enable
+    args = []
+    args << "--disable=yjit" if RubyVM::YJIT.enabled?
+    assert_separately(args, <<~RUBY)
+      assert_false RubyVM::YJIT.enabled?
+      assert_false RUBY_DESCRIPTION.include?("+YJIT")
+
+      RubyVM::YJIT.enable
+
+      assert_true RubyVM::YJIT.enabled?
+      assert_true RUBY_DESCRIPTION.include?("+YJIT")
+    RUBY
+  end
+
+  def test_yjit_enable_with_call_threshold
+    assert_separately(%w[--yjit-disable --yjit-call-threshold=1], <<~RUBY)
       def not_compiled = nil
       def will_compile = nil
-      def compiled_counts = RubyVM::YJIT.runtime_stats[:compiled_iseq_count]
-      counts = []
+      def compiled_counts = RubyVM::YJIT.runtime_stats&.dig(:compiled_iseq_count)
+
       not_compiled
-      counts << compiled_counts
+      assert_nil compiled_counts
+      assert_false RubyVM::YJIT.enabled?
 
-      RubyVM::YJIT.resume
+      RubyVM::YJIT.enable
 
       will_compile
-      counts << compiled_counts
-
-      if counts[0] == 0 && counts[1] > 0
-        p :ok
-      end
+      assert compiled_counts > 0
+      assert_true RubyVM::YJIT.enabled?
     RUBY
-    assert_in_out_err(%w[--yjit-pause --yjit-stats --yjit-call-threshold=1], program, success: true) do |stdout, stderr|
-      assert_equal([":ok"], stdout)
-    end
   end
 
   def test_yjit_stats_and_v_no_error