Fix an issue with negative hunk max_size

Resolves #57.

- The `diff_size` should be an absolute value.
- Added a test to ensure that the issue does not introduce a regression.

1 files changed, 4 insertions, 7 deletions

diff --git a/diff-lcs.gemspec b/diff-lcs.gemspec
index 17b7f24..1b9c386 100644
--- a/diff-lcs.gemspec
+++ b/diff-lcs.gemspec
@@ -1,16 +1,16 @@
 # -*- encoding: utf-8 -*-
-# stub: diff-lcs 1.4 ruby lib
+# stub: diff-lcs 1.4.1 ruby lib
 
 Gem::Specification.new do |s|
   s.name = "diff-lcs".freeze
-  s.version = "1.4"
+  s.version = "1.4.1"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
   s.metadata = { "bug_tracker_uri" => "https://github.com/halostatue/diff-lcs/issues", "homepage_uri" => "https://github.com/halostatue/diff-lcs", "source_code_uri" => "https://github.com/halostatue/diff-lcs" } if s.respond_to? :metadata=
   s.require_paths = ["lib".freeze]
   s.authors = ["Austin Ziegler".freeze]
-  s.date = "2020-06-22"
-  s.description = "Diff::LCS computes the difference between two Enumerable sequences using the\nMcIlroy-Hunt longest common subsequence (LCS) algorithm. It includes utilities\nto create a simple HTML diff output format and a standard diff-like tool.\n\nThis is release 1.4, providing a simple extension that allows for\nDiff::LCS::Change objects to be treated implicitly as arrays. Ruby versions\nbelow 2.3 are soft-deprecated.\n\nThis means that older versions are no longer part of the CI test suite. If any\nchanges have been introduced that break those versions, bug reports and patches\nwill be accepted, but it will be up to the reporter to verify any fixes prior\nto release. A future release will completely break compatibility.".freeze
+  s.date = "2020-06-23"
+  s.description = "Diff::LCS computes the difference between two Enumerable sequences using the\nMcIlroy-Hunt longest common subsequence (LCS) algorithm. It includes utilities\nto create a simple HTML diff output format and a standard diff-like tool.\n\nThis is release 1.4, providing a simple extension that allows for\nDiff::LCS::Change objects to be treated implicitly as arrays. Ruby versions\nbelow 2.5 are soft-deprecated.\n\nThis means that older versions are no longer part of the CI test suite. If any\nchanges have been introduced that break those versions, bug reports and patches\nwill be accepted, but it will be up to the reporter to verify any fixes prior\nto release. A future release will completely break compatibility.".freeze
   s.email = ["halostatue@gmail.com".freeze]
   s.executables = ["htmldiff".freeze, "ldiff".freeze]
   s.extra_rdoc_files = ["Code-of-Conduct.md".freeze, "Contributing.md".freeze, "History.md".freeze, "License.md".freeze, "Manifest.txt".freeze, "README.rdoc".freeze, "docs/COPYING.txt".freeze, "docs/artistic.txt".freeze]
@@ -30,7 +30,6 @@ Gem::Specification.new do |s|
       s.add_development_dependency(%q<hoe-gemspec2>.freeze, ["~> 1.1"])
       s.add_development_dependency(%q<hoe-git>.freeze, ["~> 1.6"])
       s.add_development_dependency(%q<hoe-rubygems>.freeze, ["~> 1.0"])
-      s.add_development_dependency(%q<hoe-travis>.freeze, ["~> 1.2"])
       s.add_development_dependency(%q<rspec>.freeze, [">= 2.0", "< 4"])
       s.add_development_dependency(%q<rake>.freeze, [">= 10.0", "< 14"])
       s.add_development_dependency(%q<rdoc>.freeze, [">= 0"])
@@ -40,7 +39,6 @@ Gem::Specification.new do |s|
       s.add_dependency(%q<hoe-gemspec2>.freeze, ["~> 1.1"])
       s.add_dependency(%q<hoe-git>.freeze, ["~> 1.6"])
       s.add_dependency(%q<hoe-rubygems>.freeze, ["~> 1.0"])
-      s.add_dependency(%q<hoe-travis>.freeze, ["~> 1.2"])
       s.add_dependency(%q<rspec>.freeze, [">= 2.0", "< 4"])
       s.add_dependency(%q<rake>.freeze, [">= 10.0", "< 14"])
       s.add_dependency(%q<rdoc>.freeze, [">= 0"])
@@ -51,7 +49,6 @@ Gem::Specification.new do |s|
     s.add_dependency(%q<hoe-gemspec2>.freeze, ["~> 1.1"])
     s.add_dependency(%q<hoe-git>.freeze, ["~> 1.6"])
     s.add_dependency(%q<hoe-rubygems>.freeze, ["~> 1.0"])
-    s.add_dependency(%q<hoe-travis>.freeze, ["~> 1.2"])
     s.add_dependency(%q<rspec>.freeze, [">= 2.0", "< 4"])
     s.add_dependency(%q<rake>.freeze, [">= 10.0", "< 14"])
     s.add_dependency(%q<rdoc>.freeze, [">= 0"])