From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/sample/coverage.rb | 62 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 jni/ruby/sample/coverage.rb

(limited to 'jni/ruby/sample/coverage.rb')

diff --git a/jni/ruby/sample/coverage.rb b/jni/ruby/sample/coverage.rb
new file mode 100644
index 0000000..8e8d616
--- /dev/null
+++ b/jni/ruby/sample/coverage.rb
@@ -0,0 +1,62 @@
+require "coverage.so"
+
+Coverage.start
+
+ext = ENV["COVERUBY_EXT"] || ".cov"
+accum = ENV["COVERUBY_ACCUM"]
+accum = !accum || accum == "" || !(%w(f n 0).include?(accum[0]))
+pwd = Dir.pwd
+
+at_exit do
+  exit_exc = $!
+  Dir.chdir(pwd) do
+    Coverage.result.each do |sfile, covs|
+      cfile = sfile + ext
+
+      writable = proc do |f|
+        File.writable?(f) || File.writable?(File.dirname(f))
+      end
+      unless writable[cfile]
+        cfile = cfile.gsub(File::PATH_SEPARATOR, "#")
+        next unless writable[cfile]
+      end
+
+      readlines = proc do |f|
+        File.read(f).force_encoding("ASCII-8BIT").lines.to_a
+      end
+
+      sources = (readlines[sfile] rescue [])
+
+      pcovs = []
+      if accum
+        pcovs = (readlines[cfile] rescue []).map.with_index do |line, idx|
+          if line[/^\s*(?:(#####)|(\d+)|-):\s*\d+:(.*)$/n]
+            cov, line = $1 ? 0 : ($2 ? $2.to_i : nil), $3
+            if !sources[idx] || sources[idx].chomp != line.chomp
+              warn("source file changed, ignoring: `#{ cfile }'")
+              break []
+            end
+            cov
+          else
+            p line
+            warn("coverage file corrupted, ignoring: #{ cfile }")
+            break []
+          end
+        end
+        unless pcovs.empty? || pcovs.size == covs.size
+          warn("coverage file changed, ignoring: `#{ cfile }'")
+          pcovs = []
+        end
+      end
+
+      open(cfile, "w") do |out|
+        covs.zip(sources, pcovs).each_with_index do |(cov, line, pcov), idx|
+          cov += pcov || 0 if cov
+          cov = (cov ? (cov == 0 ? "#####" : cov.to_s) : "-").rjust(9)
+          out.puts("%s:% 5d:%s" % [cov, idx + 1, line])
+        end
+      end
+    end
+  end
+  raise exit_exc if exit_exc
+end
-- 
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