From 6204e0804b24f1675b49d5880da014411bcfb831 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 20 Jan 2019 20:38:57 +0000
Subject: Update to ruby/spec@35a9fba

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 spec/ruby/optional/capi/string_spec.rb | 75 +++++++++++++++++++---------------
 1 file changed, 43 insertions(+), 32 deletions(-)

(limited to 'spec/ruby/optional/capi/string_spec.rb')

diff --git a/spec/ruby/optional/capi/string_spec.rb b/spec/ruby/optional/capi/string_spec.rb
index cfd60c2593..06b0c9cbf7 100644
--- a/spec/ruby/optional/capi/string_spec.rb
+++ b/spec/ruby/optional/capi/string_spec.rb
@@ -32,45 +32,56 @@ describe "C-API String function" do
     end
   end
 
-  describe "rb_str_set_len" do
-    before :each do
-      # Make a completely new copy of the string
-      # for every example (#dup doesn't cut it).
-      @str = "abcdefghij"
-      @s.rb_str_modify(@str)
-    end
+  [Encoding::BINARY, Encoding::UTF_8].each do |enc|
+    describe "rb_str_set_len on a #{enc.name} String" do
+      before :each do
+        @str = "abcdefghij".force_encoding(enc)
+        # Make sure to unshare the string
+        @s.rb_str_modify(@str)
+      end
 
-    it "reduces the size of the string" do
-      @s.rb_str_set_len(@str, 5).should == "abcde"
-    end
+      it "reduces the size of the string" do
+        @s.rb_str_set_len(@str, 5).should == "abcde"
+      end
 
-    it "inserts a NULL byte at the length" do
-      @s.rb_str_set_len(@str, 5).should == "abcde"
-      @s.rb_str_set_len(@str, 8).should == "abcde\x00gh"
-    end
+      it "inserts a NULL byte at the length" do
+        @s.rb_str_set_len(@str, 5).should == "abcde"
+        @s.rb_str_set_len(@str, 8).should == "abcde\x00gh"
+      end
 
-    it "updates the byte size and character size" do
-      @s.rb_str_set_len(@str, 4)
-      @str.bytesize.should == 4
-      @str.size.should == 4
-      @str.should == "abcd"
-    end
+      it "updates the byte size" do
+        @s.rb_str_set_len(@str, 4)
+        @str.bytesize.should == 4
+        @str.should == "abcd"
+      end
 
-    it "updates the string's attributes visible in C code" do
-      @s.rb_str_set_len_RSTRING_LEN(@str, 4).should == 4
-    end
+      it "invalidates the character size" do
+        @str.size.should == 10
+        @s.rb_str_set_len(@str, 4)
+        @str.size.should == 4
+        @str.should == "abcd"
+      end
 
-    it "can reveal characters written from C with RSTRING_PTR" do
-      @s.rb_str_set_len(@str, 1)
-      @str.should == "a"
+      it "invalidates the code range" do
+        @s.rb_str_set_len(@str, 4)
+        @str.ascii_only?.should == true
+      end
 
-      @str.force_encoding(Encoding::UTF_8)
-      @s.RSTRING_PTR_set(@str, 1, 'B'.ord)
-      @s.RSTRING_PTR_set(@str, 2, 'C'.ord)
-      @s.rb_str_set_len(@str, 3)
+      it "updates the string's attributes visible in C code" do
+        @s.rb_str_set_len_RSTRING_LEN(@str, 4).should == 4
+      end
+
+      it "can reveal characters written from C with RSTRING_PTR" do
+        @s.rb_str_set_len(@str, 1)
+        @str.should == "a"
 
-      @str.bytesize.should == 3
-      @str.should == "aBC"
+        @s.RSTRING_PTR_set(@str, 1, 'B'.ord)
+        @s.RSTRING_PTR_set(@str, 2, 'C'.ord)
+        @s.rb_str_set_len(@str, 3)
+
+        @str.bytesize.should == 3
+        @str.should == "aBC"
+      end
     end
   end
 
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