Replicate and fix long lines

[isidroas]

Commit history summary:

1. 709ce8e

Added long_line.ini test

# These tests are
# only interesting
# when
# INI_MAX_LINE=20

[width = 18]
_123456789=1234567

[width = 19]
_123456789=12345678

[width = 20]
_123456789=123456789

[2 assigns]
_123456789=12345678name=value

[no trailing \n]
# trigger a false
# positive in the
# incomplete line
# detection
_123456782=12345678

with the expected baseline_multi_max_line.txt

... [width = 18]
... _123456789=1234567;
... [width = 19]
... _123456789=12345678;
... [width = 20]
... _123456789=12345678;
... [2 assigns]
... _123456789=12345678;
... [no trailing \n]
... _123456782=12345678;
long_line.ini: e=10 user=100

failing with this error:

diff --git a/tests/baseline_multi_max_line.txt b/tests/baseline_multi_max_line.txt
index e6fbf8a..b63004e 100644
--- a/tests/baseline_multi_max_line.txt
+++ b/tests/baseline_multi_max_line.txt
@@ -6,6 +6,7 @@
... _123456789=12345678;
... [2 assigns]
... _123456789=12345678;
+... name=value;
... [no trailing \n]
... _123456782=12345678;
-long_line.ini: e=10 user=100
+long_line.ini: e=15 user=100

2. 4ef6f60 (fix: report too long lines)

Now it has only one error:

diff --git a/tests/baseline_multi_max_line.txt b/tests/baseline_multi_max_line.txt
index e6fbf8a..be50254 100644
--- a/tests/baseline_multi_max_line.txt
+++ b/tests/baseline_multi_max_line.txt
@@ -6,6 +6,7 @@
 ... _123456789=12345678;
 ... [2 assigns]
 ... _123456789=12345678;
+... name=value;
 ... [no trailing \n]
 ... _123456782=12345678;
 long_line.ini: e=10 user=100

3. a8b025b (fix: discard the rest of the line)

All tests are fixed ✅

Related to #145

[isidroas]

Closing because I am not happy with my solution. However, the test could be reused.