18 files changed, 36 insertions, 0 deletions
diff --git a/test/stylesheet/tc_border.rb b/test/stylesheet/tc_border.rb
index 132dc68a..96bef927 100644
--- a/test/stylesheet/tc_border.rb
+++ b/test/stylesheet/tc_border.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestBorder < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_border_pr.rb b/test/stylesheet/tc_border_pr.rb
index c82b282d..a1069f5d 100644
--- a/test/stylesheet/tc_border_pr.rb
+++ b/test/stylesheet/tc_border_pr.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestBorderPr < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_cell_alignment.rb b/test/stylesheet/tc_cell_alignment.rb
index 79ed858d..2e95db54 100644
--- a/test/stylesheet/tc_cell_alignment.rb
+++ b/test/stylesheet/tc_cell_alignment.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestCellAlignment < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_cell_protection.rb b/test/stylesheet/tc_cell_protection.rb
index e70bb1b8..a6cc9a5b 100644
--- a/test/stylesheet/tc_cell_protection.rb
+++ b/test/stylesheet/tc_cell_protection.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestCellProtection < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_cell_style.rb b/test/stylesheet/tc_cell_style.rb
index a2990967..d280ccd1 100644
--- a/test/stylesheet/tc_cell_style.rb
+++ b/test/stylesheet/tc_cell_style.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestCellStyle < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_color.rb b/test/stylesheet/tc_color.rb
index 1c14278a..0b23daff 100644
--- a/test/stylesheet/tc_color.rb
+++ b/test/stylesheet/tc_color.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestColor < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_dxf.rb b/test/stylesheet/tc_dxf.rb
index 014f794e..5e25a133 100644
--- a/test/stylesheet/tc_dxf.rb
+++ b/test/stylesheet/tc_dxf.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestDxf < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_fill.rb b/test/stylesheet/tc_fill.rb
index 89e746da..3990a92b 100644
--- a/test/stylesheet/tc_fill.rb
+++ b/test/stylesheet/tc_fill.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestFill < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_font.rb b/test/stylesheet/tc_font.rb
index d3d5fdff..3cee3e63 100644
--- a/test/stylesheet/tc_font.rb
+++ b/test/stylesheet/tc_font.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestFont < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_gradient_fill.rb b/test/stylesheet/tc_gradient_fill.rb
index fa7ca434..a150a01b 100644
--- a/test/stylesheet/tc_gradient_fill.rb
+++ b/test/stylesheet/tc_gradient_fill.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestGradientFill < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_gradient_stop.rb b/test/stylesheet/tc_gradient_stop.rb
index 34b18e36..23a1d58e 100644
--- a/test/stylesheet/tc_gradient_stop.rb
+++ b/test/stylesheet/tc_gradient_stop.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestGradientStop < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_num_fmt.rb b/test/stylesheet/tc_num_fmt.rb
index 33d91f97..490bf59f 100644
--- a/test/stylesheet/tc_num_fmt.rb
+++ b/test/stylesheet/tc_num_fmt.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestNumFmt < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_pattern_fill.rb b/test/stylesheet/tc_pattern_fill.rb
index b2e77b7a..120f5f33 100644
--- a/test/stylesheet/tc_pattern_fill.rb
+++ b/test/stylesheet/tc_pattern_fill.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestPatternFill < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_styles.rb b/test/stylesheet/tc_styles.rb
index 31c8cfb1..3b77616f 100644
--- a/test/stylesheet/tc_styles.rb
+++ b/test/stylesheet/tc_styles.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestStyles < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_table_style.rb b/test/stylesheet/tc_table_style.rb
index cd07733a..ea3334b7 100644
--- a/test/stylesheet/tc_table_style.rb
+++ b/test/stylesheet/tc_table_style.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestTableStyle < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_table_style_element.rb b/test/stylesheet/tc_table_style_element.rb
index febb8b65..93ad9453 100644
--- a/test/stylesheet/tc_table_style_element.rb
+++ b/test/stylesheet/tc_table_style_element.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestTableStyleElement < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_table_styles.rb b/test/stylesheet/tc_table_styles.rb
index f09f4e2d..a02cb09b 100644
--- a/test/stylesheet/tc_table_styles.rb
+++ b/test/stylesheet/tc_table_styles.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestTableStyles < Test::Unit::TestCase
diff --git a/test/stylesheet/tc_xf.rb b/test/stylesheet/tc_xf.rb
index a381c976..b678ce15 100644
--- a/test/stylesheet/tc_xf.rb
+++ b/test/stylesheet/tc_xf.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'tc_helper'
 
 class TestXf < Test::Unit::TestCase