1 files changed, 21 insertions, 0 deletions
diff --git a/spec/rubyspec/core/float/shared/abs.rb b/spec/rubyspec/core/float/shared/abs.rb
new file mode 100644
index 0000000000..c59198bfe2
--- /dev/null
+++ b/spec/rubyspec/core/float/shared/abs.rb
@@ -0,0 +1,21 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+
+describe :float_abs, shared: true do
+  it "returns the absolute value" do
+    -99.1.send(@method).should be_close(99.1, TOLERANCE)
+    4.5.send(@method).should be_close(4.5, TOLERANCE)
+    0.0.send(@method).should be_close(0.0, TOLERANCE)
+  end
+
+  it "returns 0.0 if -0.0" do
+    (-0.0).send(@method).should be_positive_zero
+  end
+
+  it "returns Infinity if -Infinity" do
+    (-infinity_value).send(@method).infinite?.should == 1
+  end
+
+  it "returns NaN if NaN" do
+    nan_value.send(@method).nan?.should be_true
+  end
+end