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-rw-r--r--spec/ruby/core/io/getc_spec.rb42
1 files changed, 42 insertions, 0 deletions
diff --git a/spec/ruby/core/io/getc_spec.rb b/spec/ruby/core/io/getc_spec.rb
new file mode 100644
index 0000000000..dfff1a9583
--- /dev/null
+++ b/spec/ruby/core/io/getc_spec.rb
@@ -0,0 +1,42 @@
+# -*- encoding: utf-8 -*-
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "IO#getc" do
+ before :each do
+ @io = IOSpecs.io_fixture "lines.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns the next character from the stream" do
+ @io.readline.should == "Voici la ligne une.\n"
+ letters = @io.getc, @io.getc, @io.getc, @io.getc, @io.getc
+ letters.should == ["Q", "u", "i", " ", "รจ"]
+ end
+
+ it "returns nil when invoked at the end of the stream" do
+ @io.read
+ @io.getc.should be_nil
+ end
+
+ it "raises IOError on closed stream" do
+ lambda { IOSpecs.closed_io.getc }.should raise_error(IOError)
+ end
+end
+
+describe "IO#getc" do
+ before :each do
+ @io = IOSpecs.io_fixture "empty.txt"
+ end
+
+ after :each do
+ @io.close if @io
+ end
+
+ it "returns nil on empty stream" do
+ @io.getc.should be_nil
+ end
+end