1 files changed, 21 insertions, 9 deletions
diff --git a/spec/ruby/core/string/unpack/shared/integer.rb b/spec/ruby/core/string/unpack/shared/integer.rb
index ba4f149dad..d3934753ba 100644
--- a/spec/ruby/core/string/unpack/shared/integer.rb
+++ b/spec/ruby/core/string/unpack/shared/integer.rb
@@ -1,4 +1,4 @@
-# -*- encoding: binary -*-
+# encoding: binary
 
 describe :string_unpack_16bit_le, shared: true do
   it "decodes one short for a single format character" do
@@ -34,7 +34,9 @@ describe :string_unpack_16bit_le, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      "abcd".unpack(unpack_format("\000", 2)).should == [25185, 25699]
+      suppress_warning do
+        "abcd".unpack(unpack_format("\000", 2)).should == [25185, 25699]
+      end
     end
   end
 
@@ -97,7 +99,9 @@ describe :string_unpack_16bit_be, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      "badc".unpack(unpack_format("\000", 2)).should == [25185, 25699]
+      suppress_warning do
+        "badc".unpack(unpack_format("\000", 2)).should == [25185, 25699]
+      end
     end
   end
 
@@ -161,7 +165,9 @@ describe :string_unpack_32bit_le, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      "abcdefgh".unpack(unpack_format("\000", 2)).should == [1684234849, 1751606885]
+      suppress_warning do
+        "abcdefgh".unpack(unpack_format("\000", 2)).should == [1684234849, 1751606885]
+      end
     end
   end
 
@@ -225,7 +231,9 @@ describe :string_unpack_32bit_be, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      "dcbahgfe".unpack(unpack_format("\000", 2)).should == [1684234849, 1751606885]
+      suppress_warning do
+        "dcbahgfe".unpack(unpack_format("\000", 2)).should == [1684234849, 1751606885]
+      end
     end
   end
 
@@ -285,8 +293,10 @@ describe :string_unpack_64bit_le, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      array = "abcdefghabghefcd".unpack(unpack_format("\000", 2))
-      array.should == [7523094288207667809, 7233738012216484449]
+      suppress_warning do
+        array = "abcdefghabghefcd".unpack(unpack_format("\000", 2))
+        array.should == [7523094288207667809, 7233738012216484449]
+      end
     end
   end
 
@@ -357,8 +367,10 @@ describe :string_unpack_64bit_be, shared: true do
 
   ruby_version_is ""..."3.3" do
     it "ignores NULL bytes between directives" do
-      array = "hgfedcbadcfehgba".unpack(unpack_format("\000", 2))
-      array.should == [7523094288207667809, 7233738012216484449]
+      suppress_warning do
+        array = "hgfedcbadcfehgba".unpack(unpack_format("\000", 2))
+        array.should == [7523094288207667809, 7233738012216484449]
+      end
     end
   end