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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-01-27 11:37:02 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-01-27 11:37:02 +0000
commitd14f0cfd168e3ce760effd5484b1d4e76f41e65e (patch)
treef6fc73c1defb4dd8bd76d64fecc745ee345c66f4 /ext/-test-
parenta7c987968de91bcc4cada65ce90b23c2f89957e3 (diff)
Add tests about String's internal capacity
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53671 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/-test-')
-rw-r--r--ext/-test-/string/capacity.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/ext/-test-/string/capacity.c b/ext/-test-/string/capacity.c
new file mode 100644
index 0000000..ba7fb85
--- /dev/null
+++ b/ext/-test-/string/capacity.c
@@ -0,0 +1,17 @@
+#include "ruby.h"
+#include "internal.h"
+
+static VALUE
+bug_str_capacity(VALUE klass, VALUE str)
+{
+ return
+ STR_EMBED_P(str) ? INT2FIX(RSTRING_EMBED_LEN_MAX) : \
+ STR_SHARED_P(str) ? INT2FIX(0) : \
+ LONG2FIX(RSTRING(str)->as.heap.aux.capa);
+}
+
+void
+Init_capacity(VALUE klass)
+{
+ rb_define_singleton_method(klass, "capacity", bug_str_capacity, 1);
+}