Add failing test: removal of whitespace error is not an error

2 files changed, 35 insertions, 0 deletions

diff --git a/src/tests/ansi_test_utils.rs b/src/tests/ansi_test_utils.rs
index 7bbf370b..1b4a8c82 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 885ba51c..668645b9 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 = "\
@@ -1581,4 +1589,14 @@ index 0000000..8d1c8b6
 @@ -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 @@
+- 
++
+";
 }