2 files changed, 70 insertions, 0 deletions
diff --git a/spec/ruby/library/rbconfig/sizeof/limits_spec.rb b/spec/ruby/library/rbconfig/sizeof/limits_spec.rb
new file mode 100644
index 0000000000..08b1185965
--- /dev/null
+++ b/spec/ruby/library/rbconfig/sizeof/limits_spec.rb
@@ -0,0 +1,40 @@
+require_relative '../../../spec_helper'
+require 'rbconfig/sizeof'
+
+describe "RbConfig::LIMITS" do
+  it "is a Hash" do
+    RbConfig::LIMITS.should.is_a?(Hash)
+  end
+
+  it "has string keys and numeric values" do
+    RbConfig::LIMITS.each do |key, value|
+      key.should.is_a? String
+      value.should.is_a? Numeric
+    end
+  end
+
+  it "contains FIXNUM_MIN and FIXNUM_MAX" do
+    RbConfig::LIMITS["FIXNUM_MIN"].should < 0
+    RbConfig::LIMITS["FIXNUM_MAX"].should > 0
+  end
+
+  it "contains CHAR_MIN and CHAR_MAX" do
+    RbConfig::LIMITS["CHAR_MIN"].should <= 0
+    RbConfig::LIMITS["CHAR_MAX"].should > 0
+  end
+
+  it "contains SHRT_MIN and SHRT_MAX" do
+    RbConfig::LIMITS["SHRT_MIN"].should == -32768
+    RbConfig::LIMITS["SHRT_MAX"].should == 32767
+  end
+
+  it "contains INT_MIN and INT_MAX" do
+    RbConfig::LIMITS["INT_MIN"].should < 0
+    RbConfig::LIMITS["INT_MAX"].should > 0
+  end
+
+  it "contains LONG_MIN and LONG_MAX" do
+    RbConfig::LIMITS["LONG_MIN"].should < 0
+    RbConfig::LIMITS["LONG_MAX"].should > 0
+  end
+end
diff --git a/spec/ruby/library/rbconfig/sizeof/sizeof_spec.rb b/spec/ruby/library/rbconfig/sizeof/sizeof_spec.rb
new file mode 100644
index 0000000000..b74dae5166
--- /dev/null
+++ b/spec/ruby/library/rbconfig/sizeof/sizeof_spec.rb
@@ -0,0 +1,30 @@
+require_relative '../../../spec_helper'
+require 'rbconfig/sizeof'
+
+describe "RbConfig::SIZEOF" do
+  it "is a Hash" do
+    RbConfig::SIZEOF.should.is_a?(Hash)
+  end
+
+  it "has string keys and integer values" do
+    RbConfig::SIZEOF.each do |key, value|
+      key.should.is_a? String
+      value.should.is_a? Integer
+    end
+  end
+
+  it "contains the sizeof(void*)" do
+    (RbConfig::SIZEOF["void*"] * 8).should == PlatformGuard::POINTER_SIZE
+  end
+
+  it "contains the sizeof(float) and sizeof(double)" do
+    RbConfig::SIZEOF["float"].should == 4
+    RbConfig::SIZEOF["double"].should == 8
+  end
+
+  it "contains the size of short, int and long" do
+    RbConfig::SIZEOF["short"].should > 0
+    RbConfig::SIZEOF["int"].should > 0
+    RbConfig::SIZEOF["long"].should > 0
+  end
+end