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From 698e39a251d433e2cd2934586a2dfc5e6582c4f9 Mon Sep 17 00:00:00 2001
From: Philip McGrath <philip@philipmcgrath.com>
Date: Sun, 24 Jul 2022 09:12:55 -0400
Subject: [PATCH] Improve readability of whitespace tests

This change fixes the test for `~x` in some environments in which it
was previously failing.

Related to https://github.com/inukshuk/latex-decode/issues/13
---
 features/step_definitions/latex.rb |  5 +++++
 features/symbols.feature           |  7 -------
 features/whitespace.feature        | 13 +++++++++++++
 3 files changed, 18 insertions(+), 7 deletions(-)
 create mode 100644 features/whitespace.feature

diff --git a/features/step_definitions/latex.rb b/features/step_definitions/latex.rb
index 4b1b595..fca63c0 100644
--- a/features/step_definitions/latex.rb
+++ b/features/step_definitions/latex.rb
@@ -5,3 +5,8 @@ end
 Then /^the result should be ('|")(.*)\1$/ do |quote,value|
   expect(@result).to eq(value)
 end
+
+# For whitespace or other characters that are hard to read in source code:
+Then /^I should get '([^']*)' \+ U\+(\h{4,}) \+ '([^']*)'$/ do |pre,code,post|
+  expect(@result).to eq(pre + code.hex.chr(Encoding::UTF_8) + post)
+end
diff --git a/features/symbols.feature b/features/symbols.feature
index 46d9a51..f8a5e84 100644
--- a/features/symbols.feature
+++ b/features/symbols.feature
@@ -12,10 +12,3 @@ Feature: Decode LaTeX symbol directives
     | \\uparrow            | ↑       |
     | \\downarrow          | ↓       |
     | \\rightarrow         | →       |
-
-  Scenarios: Whitespace
-    | latex | unicode | description        |
-    | x\\,x | x x     | small space        |
-    | x~x   | x x     | non-breaking space |
-    | ~x    |  x      | non-breaking space |
-
diff --git a/features/whitespace.feature b/features/whitespace.feature
new file mode 100644
index 0000000..fe5b208
--- /dev/null
+++ b/features/whitespace.feature
@@ -0,0 +1,13 @@
+Feature: Decode LaTeX whitespace directives
+  As a hacker who works with LaTeX
+  I want to be able to decode LaTeX whitespace
+
+  Scenario Outline: LaTeX to Unicode transformation
+    When I decode the string '<latex>'
+    Then I should get <pre> + U+<code> + <post>
+
+  Scenarios: Whitespace
+    | latex | pre | code | post | description                |
+    | x~x   | 'x' | 00A0 | 'x'  | non-breaking space         |
+    | ~y    | ''  | 00A0 | 'y'  | leading non-breaking space |
+    | z\\,z | 'z' | 2009 | 'z'  | small space                |
-- 
2.32.0