Select at least one character

nineteendo · Aug 1, 2024 · 6fbcd9d · 6fbcd9d
1 parent 020bbc6
commit 6fbcd9d
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/src/jsonyx/_decoder.py b/src/jsonyx/_decoder.py
@@ -51,7 +51,9 @@ def _get_err_context(doc: str, start: int, end: int) -> tuple[int, str, int]:
  else:
  line_end = start
 
- end = min(max(start + 1, line_end), end)
+ if (end := min(max(start + 1, line_end), end)) == start:
+ end += 1
+
  max_chars: int = get_terminal_size().columns - 4 # leading spaces
  if end == line_end + 1: # newline
  max_chars -= 1

diff --git a/src/jsonyx/test/test_syntax_error.py b/src/jsonyx/test/test_syntax_error.py
@@ -83,8 +83,8 @@ def test_start_and_end_position( # noqa: PLR0913, PLR0917
  # ^^^^^^^ ^^^^^^^
 
  # No newline
- (17, "start-middle-end", 0, 5, 1, "start-middle-end", 6),
- #  ^^^^^  ^^^^^
+ (9, "start-end", 0, 5, 1, "start-end", 6),
+ # ^^^^^ ^^^^^
  (8, "current\nnext", 0, 12, 1, "current", 8),
  # ^^^^^^^^^^^^^ ^^^^^^^
  (8, "current\rnext", 0, 12, 1, "current", 8),
@@ -102,6 +102,10 @@ def test_start_and_end_position( # noqa: PLR0913, PLR0917
  (8, "current\r\nnext", 7, 13, 8, "current", 9),
  # ^^^^^^^^ ^
 
+ # At least one character
+ (9, "start-end", 5, 5, 6, "start-end", 7),
+ # ^ ^
+
  # Expand tabs
  (8, "\tcurrent", 1, 8, 2, " current", 9),
  # ^^^^^^^ ^^^^^^^