spec/mpfr/allocate_spec.rb in ruby-mpfr-0.0.10 vs spec/mpfr/allocate_spec.rb in ruby-mpfr-0.0.11

@@ -1,8 +1,8 @@
 require File.expand_path(File.dirname(__FILE__)) + '/spec_helper.rb'
 
-describe MPFR, 'when allocating objects from integer' do
+describe MPFR, 'when allocating objects from numbers' do
   it "should equal bignum" do
     MPFR.set_default_prec(100)
     num = 1
     for i in 0..300
       num *= 10
@@ -21,25 +21,37 @@
       MPFR.new(str).should == MPFR(str)
     end
 
   end
 
+  it "should equal float" do
+    MPFR.set_default_prec(256)
+    error = MPFR.new('1.0e-10')
+    GenerateNumber.float(100) do |f|
+      MPFR.new(f).should == f
+    end
+  end
+
+end
+
+describe MPFR, 'when allocating from objects that is not numbers' do
   it "should allocate from string" do
     MPFR.set_default_prec(53)
     for i in 0..1000
       MPFR.new(i.to_s).should == i
     end
   end
 
-  it "should equal float" do
-    MPFR.set_default_prec(256)
-    error = MPFR.new('1.0e-10')
-    GenerateNumber.float(100) do |f|
-      MPFR.new(f).should == f
-    end
+  it "should raise error" do
+    lambda { MPFR.new(nil) }.should raise_error
+    lambda { MPFR.new(false) }.should raise_error
+    lambda { MPFR.new([]) }.should raise_error
+    lambda { MPFR.new(:sym) }.should raise_error
   end
+end
 
+describe MPFR, 'when creating new objects' do
   it "should duplicate" do
     MPFR.set_default_prec(141)
     for i in 0..1000
       a = rand(10**10)
       b = rand(10**50)
@@ -66,8 +78,6 @@
       b = MPFR.new(str)
       c = a.coerce(str)[0]
       b.should == c
     end
   end
-  
 end
-