From ba8cd95f5e0d2beeb4e6b2d040fea897d0e797ac Mon Sep 17 00:00:00 2001
From: Dan Davison <dandavison7@gmail.com>
Date: Wed, 17 Jun 2020 16:51:23 -0400
Subject: Add failing test: removal of whitespace error is not an error

---
 src/tests/ansi_test_utils.rs    | 17 +++++++++++++++++
 src/tests/test_example_diffs.rs | 18 ++++++++++++++++++
 2 files changed, 35 insertions(+)

(limited to 'src')

diff --git a/src/tests/ansi_test_utils.rs b/src/tests/ansi_test_utils.rs
index 7bbf370..1b4a8c8 100644
--- a/src/tests/ansi_test_utils.rs
+++ b/src/tests/ansi_test_utils.rs
@@ -24,6 +24,23 @@ pub mod ansi_test_utils {
         ));
     }
 
+    pub fn assert_line_does_not_have_style(
+        output: &str,
+        line_number: usize,
+        expected_prefix: &str,
+        expected_style: &str,
+        config: &Config,
+    ) {
+        assert!(!_line_has_style(
+            output,
+            line_number,
+            expected_prefix,
+            expected_style,
+            config,
+            false,
+        ));
+    }
+
     pub fn assert_line_has_4_bit_color_style(
         output: &str,
         line_number: usize,
diff --git a/src/tests/test_example_diffs.rs b/src/tests/test_example_diffs.rs
index 885ba51..668645b 100644
--- a/src/tests/test_example_diffs.rs
+++ b/src/tests/test_example_diffs.rs
@@ -1116,6 +1116,14 @@ impl<'a> Alignment<'a> { │
         ]);
         let output = integration_test_utils::run_delta(DIFF_WITH_WHITESPACE_ERROR, &config);
         ansi_test_utils::assert_line_has_style(&output, 6, " ", whitespace_error_style, &config);
+        let output = integration_test_utils::run_delta(DIFF_WITH_REMOVED_WHITESPACE_ERROR, &config);
+        ansi_test_utils::assert_line_does_not_have_style(
+            &output,
+            6,
+            " ",
+            whitespace_error_style,
+            &config,
+        );
     }
 
     const GIT_DIFF_SINGLE_HUNK: &str = "\
@@ -1580,5 +1588,15 @@ index 0000000..8d1c8b6
 +++ i/a
 @@ -0,0 +1 @@
 + 
+";
+
+    const DIFF_WITH_REMOVED_WHITESPACE_ERROR: &str = r"
+diff --git i/a w/a
+index 8d1c8b6..8b13789 100644
+--- i/a
++++ w/a
+@@ -1 +1 @@
+- 
++
 ";
 }
-- 
cgit v1.2.3