Add ISO Test Cases for Kernel

test/t/kernel.rb

+##
+# Kernel ISO Test
+
+assert('Kernel', '15.3.1') do
+  Kernel.class == Module
+end
+
+assert('Kernel.block_given?', '15.3.1.2.2') do
+  Kernel.block_given? == false
+end
+
+assert('Kernel.global_variables', '15.3.1.2.4') do
+  Kernel.global_variables.class == Array
+end
+
+assert('Kernel.iterator?', '15.3.1.2.5') do
+  Kernel.iterator? == false
+end
+
+assert('Kernel.lambda', '15.3.1.2.6') do
+  l = Kernel.lambda do
+    true
+  end
+
+  l.call and l.class == Proc
+end
+
+assert('Kernel.local_variables', '15.3.1.2.7') do
+  Kernel.local_variables.class == Array
+end
+
+assert('Kernel.loop', '15.3.1.2.8') do
+  i = 0
+
+  Kernel.loop do
+    i += 1
+    break if i == 100
+  end
+
+  i == 100
+end
+
+assert('Kernel.p', '15.3.1.2.9') do
+  # TODO search for a way to test p to stdio
+  true
+end
+
+assert('Kernel.print', '15.3.1.2.10') do
+  # TODO search for a way to test print to stdio
+  true
+end
+
+assert('Kernel.puts', '15.3.1.2.11') do
+  # TODO search for a way to test puts to stdio
+  true
+end
+
+# TODO fails at the moment without arguments
+assert('Kernel.raise', '15.3.1.2.12') do
+  e_list = []
+
+  begin
+    raise RuntimeError.new
+  rescue => e
+    e_list << e
+  end
+
+  e_list[0].class == RuntimeError
+end
+
+assert('Kernel#hash', '15.3.1.2.15') do
+  hash == hash
+end
+
+assert('Kernel#local_variables', '15.3.1.2.28') do
+  local_variables.class == Array
+end
+
+assert('Kernel#loop', '15.3.1.2.29') do
+  i = 0
+
+  loop do
+    i += 1
+    break if i == 100
+  end
+
+  i == 100
+end
+
+assert('Kernel#methods', '15.3.1.2.31') do
+  methods.class == Array
+end
+
+assert('Kernel#nil?', '15.3.1.2.32') do
+  # TODO why is Kernel nil ????
+  nil? == true
+end
+
+assert('Kernel#private_methods', '15.3.1.2.36') do
+  private_methods.class == Array 
+end
+
+assert('Kernel#protected_methods', '15.3.1.2.37') do
+  protected_methods.class == Array
+end
+
+assert('Kernel#public_methods', '15.3.1.2.38') do
+  public_methods.class == Array
+end
+
+assert('Kernel#respond_to?', '15.3.1.2.43') do
+  respond_to? :nil?
+end
+
+# TODO at the moment doesn't comply to ISO assert('Kernel#send', '15.3.1.2.44') do
+
+assert('Kernel#singleton_methods', '15.3.1.2.45') do
+  singleton_methods.class == Array
+end
+
+assert('Kernel#to_s', '15.3.1.2.46') do
+  # TODO looks strange..
+  to_s == ''
+end
+