From bff4c5ecfa730c6f5af35577a5cb83562512866e Mon Sep 17 00:00:00 2001
From: Joe Kain <jkain.dev@gmail.com>
Date: Sat, 31 Mar 2012 19:00:18 -0700
Subject: Test 3+ letter column references and indices.

---
 test/workbook/worksheet/tc_cell.rb | 40 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/test/workbook/worksheet/tc_cell.rb b/test/workbook/worksheet/tc_cell.rb
index 4db0c7be..c35e62bc 100644
--- a/test/workbook/worksheet/tc_cell.rb
+++ b/test/workbook/worksheet/tc_cell.rb
@@ -13,6 +13,30 @@ class TestCell < Test::Unit::TestCase
     @cAA = @ws["AA2"]
   end
 
+  def setup_wide
+    # The wide row makes the test take a long time.  Add it only
+    # in test_large as adding it in setup make all the tests take
+    # longer.
+    # 
+    # For even more, but slower, testing use the 20000 cell row and
+    # uncomment the ABCD3 element below.
+    data = (0..1000).map { |index| index }
+    #data = (0..20000).map { |index| index }
+    @ws.add_row data
+
+    @wide_test_points = { "A3" =>      0,
+      "Z3"    =>                      25,
+      "B3"    =>                       1,
+      "AA3"   =>             1 * 26 +  0,
+      "AAA3"  => 1 * 26**2 + 1 * 26 +  0,
+      "AAZ3"  => 1 * 26**2 + 1 * 26 + 25,
+      "ABA3"  => 1 * 26**2 + 2 * 26 +  0,
+
+      # For additional testing, uncomment this line and uncomment the 20000 cell row above
+      #"ABCD3" => 1 * 26**3 + 2 * 26**2 + 3 * 26 + 3
+    }
+  end
+
   def test_initialize
     assert_equal(@row.cells.last, @c, "the cell was added to the row")
     assert_equal(@c.type, :float, "type option is applied")
@@ -41,6 +65,22 @@ class TestCell < Test::Unit::TestCase
     assert_equal(@c.r, "A1", "calculate cell reference")
   end
 
+  def test_wide_index
+    setup_wide
+    @wide_test_points.each_pair do |ref, index|
+      c = @ws[ref]
+      assert_equal(c.index, index, "calculate cell index for cell #{ref}")
+    end
+  end
+
+  def test_wide_r
+    setup_wide
+    @wide_test_points.each_pair do |ref, index|
+      c = @ws[ref]
+      assert_equal(c.r, ref, "calculate cell reference for cell at index #{index}")
+    end
+  end
+
   def test_r_abs
     assert_equal(@c.r_abs,"$A$1", "calculate absolute cell reference")
     assert_equal(@cAA.r_abs,"$AA$2", "needs to accept multi-digit columns")
-- 
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