1 files changed, 35 insertions, 0 deletions
diff --git a/spec/rubyspec/library/stringscanner/getch_spec.rb b/spec/rubyspec/library/stringscanner/getch_spec.rb
new file mode 100644
index 0000000000..ae2907d817
--- /dev/null
+++ b/spec/rubyspec/library/stringscanner/getch_spec.rb
@@ -0,0 +1,35 @@
+# -*- encoding: binary -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../shared/extract_range', __FILE__)
+require 'strscan'
+
+describe "StringScanner#getch" do
+  it "scans one character and returns it" do
+    s = StringScanner.new('abc')
+    s.getch.should == "a"
+    s.getch.should == "b"
+    s.getch.should == "c"
+  end
+
+  it "is multi-byte character sensitive" do
+    # Japanese hiragana "A" in EUC-JP
+    src = "\244\242".force_encoding("euc-jp")
+
+    s = StringScanner.new(src)
+    s.getch.should == src
+  end
+
+  it "returns nil at the end of the string" do
+    # empty string case
+    s = StringScanner.new('')
+    s.getch.should == nil
+    s.getch.should == nil
+
+    # non-empty string case
+    s = StringScanner.new('a')
+    s.getch # skip one
+    s.getch.should == nil
+  end
+
+  it_behaves_like :extract_range, :getch
+end