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-rw-r--r--jni/ruby/test/coverage/test_coverage.rb64
1 files changed, 64 insertions, 0 deletions
diff --git a/jni/ruby/test/coverage/test_coverage.rb b/jni/ruby/test/coverage/test_coverage.rb
new file mode 100644
index 0000000..f4f192a
--- /dev/null
+++ b/jni/ruby/test/coverage/test_coverage.rb
@@ -0,0 +1,64 @@
+require "test/unit"
+require "coverage"
+require "tmpdir"
+
+class TestCoverage < Test::Unit::TestCase
+ def test_result_without_start
+ assert_raise(RuntimeError) {Coverage.result}
+ end
+ def test_result_with_nothing
+ Coverage.start
+ result = Coverage.result
+ assert_kind_of(Hash, result)
+ result.each do |key, val|
+ assert_kind_of(String, key)
+ assert_kind_of(Array, val)
+ end
+ end
+
+ def test_restarting_coverage
+ loaded_features = $".dup
+
+ Dir.mktmpdir {|tmp|
+ Dir.chdir(tmp) {
+ File.open("test.rb", "w") do |f|
+ f.puts <<-EOS
+ def coverage_test_method
+ :ok
+ end
+ EOS
+ end
+
+ Coverage.start
+ require tmp + '/test.rb'
+ assert_equal 3, Coverage.result[tmp + '/test.rb'].size
+ Coverage.start
+ coverage_test_method
+ assert_equal 0, Coverage.result[tmp + '/test.rb'].size
+ }
+ }
+ ensure
+ $".replace loaded_features
+ end
+
+ def test_big_code
+ loaded_features = $".dup
+
+ Dir.mktmpdir {|tmp|
+ Dir.chdir(tmp) {
+ File.open("test.rb", "w") do |f|
+ f.puts "__id__\n" * 10000
+ f.puts "def ignore(x); end"
+ f.puts "ignore([1"
+ f.puts "])"
+ end
+
+ Coverage.start
+ require tmp + '/test.rb'
+ assert_equal 10003, Coverage.result[tmp + '/test.rb'].size
+ }
+ }
+ ensure
+ $".replace loaded_features
+ end
+end