aboutsummaryrefslogtreecommitdiffstats
path: root/spec/ruby/core/string/hex_spec.rb
diff options
context:
space:
mode:
authoreregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
committereregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-20 20:18:52 +0000
commitc530d0faf064d561bf7755c55a34921572d343ef (patch)
treea3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/core/string/hex_spec.rb
parent77eb1c94ee74f11ebf347f0539d3949b2cf4e2b3 (diff)
downloadruby-c530d0faf064d561bf7755c55a34921572d343ef.tar.gz
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/core/string/hex_spec.rb')
-rw-r--r--spec/ruby/core/string/hex_spec.rb49
1 files changed, 49 insertions, 0 deletions
diff --git a/spec/ruby/core/string/hex_spec.rb b/spec/ruby/core/string/hex_spec.rb
new file mode 100644
index 0000000000..8a9257c310
--- /dev/null
+++ b/spec/ruby/core/string/hex_spec.rb
@@ -0,0 +1,49 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes.rb', __FILE__)
+
+# TODO: Move actual results to String#to_int() and spec in terms of it
+describe "String#hex" do
+ it "treats leading characters of self as a string of hex digits" do
+ "0a".hex.should == 10
+ "0o".hex.should == 0
+ "0x".hex.should == 0
+ "A_BAD_BABE".hex.should == 0xABADBABE
+ "0b1010".hex.should == "b1010".hex
+ "0d500".hex.should == "d500".hex
+ "abcdefG".hex.should == 0xabcdef
+ end
+
+ it "does not accept a sequence of underscores as part of a number" do
+ "a__b".hex.should == 0xa
+ "a____b".hex.should == 0xa
+ "a___f".hex.should == 0xa
+ end
+
+ it "takes an optional sign" do
+ "-1234".hex.should == -4660
+ "+1234".hex.should == 4660
+ end
+
+ it "takes an optional 0x" do
+ "0x0a".hex.should == 10
+ "0a".hex.should == 10
+ end
+
+ it "requires that the sign is in front of the 0x if present" do
+ "-0x1".hex.should == -1
+ "0x-1".hex.should == 0
+ end
+
+ it "returns 0 on error" do
+ "".hex.should == 0
+ "+-5".hex.should == 0
+ "wombat".hex.should == 0
+ "0x0x42".hex.should == 0
+ end
+
+ it "returns 0 if sequence begins with underscore" do
+ "_a".hex.should == 0
+ "___b".hex.should == 0
+ "___0xc".hex.should == 0
+ end
+end