1 files changed, 44 insertions, 0 deletions
diff --git a/spec/ruby/core/array/pack/shared/numeric_basic.rb b/spec/ruby/core/array/pack/shared/numeric_basic.rb
new file mode 100644
index 0000000000..9224d6080e
--- /dev/null
+++ b/spec/ruby/core/array/pack/shared/numeric_basic.rb
@@ -0,0 +1,44 @@
+describe :array_pack_numeric_basic, shared: true do
+  it "returns an empty String if count is zero" do
+    [1].pack(pack_format(0)).should == ""
+  end
+
+  it "raises a TypeError when passed nil" do
+    lambda { [nil].pack(pack_format) }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed true" do
+    lambda { [true].pack(pack_format) }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed false" do
+    lambda { [false].pack(pack_format) }.should raise_error(TypeError)
+  end
+
+  it "returns an ASCII-8BIT string" do
+    [0xFF].pack(pack_format).encoding.should == Encoding::ASCII_8BIT
+    [0xE3, 0x81, 0x82].pack(pack_format(3)).encoding.should == Encoding::ASCII_8BIT
+  end
+end
+
+describe :array_pack_integer, shared: true do
+  it "raises a TypeError when the object does not respond to #to_int" do
+    obj = mock('not an integer')
+    lambda { [obj].pack(pack_format) }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when passed a String" do
+    lambda { ["5"].pack(pack_format) }.should raise_error(TypeError)
+  end
+end
+
+describe :array_pack_float, shared: true do
+  it "raises a TypeError if a String does not represent a floating point number" do
+    lambda { ["a"].pack(pack_format) }.should raise_error(TypeError)
+  end
+
+  it "raises a TypeError when the object does not respond to #to_f" do
+    obj = mock('not an float')
+    lambda { [obj].pack(pack_format) }.should raise_error(TypeError)
+  end
+end