* test/ruby: tests for ruby itself.

* test/ruby/test_*.rb: split sample/test.rb into 28 test/unit testcases.  some
  tests could not be translates...  search '!!' mark to see it.

* test/csv/test_csv.rb: should require 'csv', not '../lib/csv'.  test runner
  should set load path correctly.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4498 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_path.rb

@@ -0,0 +1,48 @@
+require 'test/unit'
+
+$KCODE = 'none'
+
+class TestPath < Test::Unit::TestCase
+  def test_path
+    assert(File.basename("a") == "a")
+    assert(File.basename("a/b") == "b")
+    assert(File.basename("a/b/") == "b")
+    assert(File.basename("/") == "/")
+    assert(File.basename("//") == "/")
+    assert(File.basename("///") == "/")
+    assert(File.basename("a/b////") == "b")
+    assert(File.basename("a.rb", ".rb") == "a")
+    assert(File.basename("a.rb///", ".rb") == "a")
+    assert(File.basename("a.rb///", ".*") == "a")
+    assert(File.basename("a.rb///", ".c") == "a.rb")
+    assert(File.dirname("a") == ".")
+    assert(File.dirname("/") == "/")
+    assert(File.dirname("/a") == "/")
+    assert(File.dirname("a/b") == "a")
+    assert(File.dirname("a/b/c") == "a/b")
+    assert(File.dirname("/a/b/c") == "/a/b")
+    assert(File.dirname("/a/b/") == "/a")
+    assert(File.dirname("/a/b///") == "/a")
+    case Dir.pwd
+    when %r'\A\w:'
+      assert(/\A\w:\/\z/ =~ File.expand_path(".", "/"))
+      assert(/\A\w:\/a\z/ =~ File.expand_path("a", "/"))
+      dosish = true
+    when %r'\A//'
+      assert(%r'\A//[^/]+/[^/]+\z' =~ File.expand_path(".", "/"))
+      assert(%r'\A//[^/]+/[^/]+/a\z' =~ File.expand_path(".", "/"))
+      dosish = true
+    else
+      assert(File.expand_path(".", "/") == "/")
+      assert(File.expand_path("sub", "/") == "/sub")
+    end
+    if dosish
+      assert(File.expand_path("/", "//machine/share/sub") == "//machine/share")
+      assert(File.expand_path("/dir", "//machine/share/sub") == "//machine/share/dir")
+      assert(File.expand_path("/", "z:/sub") == "z:/")
+      assert(File.expand_path("/dir", "z:/sub") == "z:/dir")
+    end
+    assert(File.expand_path(".", "//") == "//")
+    assert(File.expand_path("sub", "//") == "//sub")
+  end
+end