Improve Range Tests

test/t/range.rb

@@ -2,66 +2,73 @@
 # Range ISO Test
 
 assert('Range', '15.2.14') do
-  Range.class == Class
+  assert_equal Range.class, Class
 end
 
 assert('Range superclass', '15.2.14.2') do
-  Range.superclass == Object
+  assert_equal Range.superclass, Object
 end
 
 assert('Range#==', '15.2.14.4.1') do
-  (1..10) == (1..10) and not (1..10) == (1..100)
+  assert_true (1..10) == (1..10)
+  assert_false (1..10) == (1..100)
 end
 
 assert('Range#===', '15.2.14.4.2') do
   a = (1..10)
 
-  a === 5 and not a === 20
+  assert_true a === 5
+  assert_false a === 20
 end
 
 assert('Range#begin', '15.2.14.4.3') do
-  (1..10).begin == 1
+  assert_equal (1..10).begin, 1
 end
 
 assert('Range#each', '15.2.14.4.4') do
   a = (1..3)
   b = 0
   a.each {|i| b += i}
-  b == 6
+  assert_equal b, 6
 end
 
 assert('Range#end', '15.2.14.4.5') do
-  (1..10).end == 10
+  assert_equal (1..10).end, 10
 end
 
 assert('Range#exclude_end?', '15.2.14.4.6') do
-  (1...10).exclude_end? and not (1..10).exclude_end?
+  assert_true (1...10).exclude_end?
+  assert_false (1..10).exclude_end?
 end
 
 assert('Range#first', '15.2.14.4.7') do
-  (1..10).first == 1
+  assert_equal (1..10).first, 1
 end
 
 assert('Range#include', '15.2.14.4.8') do
   a = (1..10)
 
-  a.include?(5) and not a.include?(20)
+  assert_true a.include?(5)
+  assert_false a.include?(20)
 end
 
 assert('Range#initialize', '15.2.14.4.9') do
   a = Range.new(1, 10, true)
   b = Range.new(1, 10, false)
 
-  a == (1...10) and a.exclude_end? and b == (1..10) and
-    not b.exclude_end?
+  assert_equal a, (1...10)
+  assert_true a.exclude_end?
+  assert_equal b, (1..10)
+  assert_false b.exclude_end?
 end
 
 assert('Range#last', '15.2.14.4.10') do
-  (1..10).last == 10
+  assert_equal (1..10).last, 10
 end
 
 assert('Range#member?', '15.2.14.4.11') do
   a = (1..10)
 
-  a.member?(5) and not a.member?(20)
+  assert_true a.member?(5)
+  assert_false a.member?(20)
 end