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Feature #10816 ยป snapshot.diff

tenderlovemaking (Aaron Patterson), 02/01/2015 11:57 PM

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ext/coverage/coverage.c
}
static int
coverage_result_i(st_data_t key, st_data_t val, st_data_t h)
coverage_clear_result_i(st_data_t key, st_data_t val, st_data_t h)
{
VALUE coverage = (VALUE)val;
rb_ary_clear((VALUE)val);
return ST_CONTINUE;
}
static int
coverage_peek_result_i(st_data_t key, st_data_t val, st_data_t h)
{
VALUE path = (VALUE)key;
VALUE coverage = (VALUE)val;
VALUE coverages = (VALUE)h;
coverage = rb_ary_dup(coverage);
rb_ary_clear((VALUE)val);
rb_ary_freeze(coverage);
rb_hash_aset(coverages, path, coverage);
return ST_CONTINUE;
......
/*
* call-seq:
* Coverage.result => hash
* Coverage.peek_result => hash
*
* Returns a hash that contains filename as key and coverage array as value
* and disables coverage measurement.
* Returns a hash that contains filename as key and coverage array as value.
*/
static VALUE
rb_coverage_result(VALUE klass)
rb_coverage_peek_result(VALUE klass)
{
VALUE coverages = rb_get_coverages();
VALUE ncoverages = rb_hash_new();
if (!RTEST(coverages)) {
rb_raise(rb_eRuntimeError, "coverage measurement is not enabled");
}
st_foreach(RHASH_TBL(coverages), coverage_result_i, ncoverages);
st_foreach(RHASH_TBL(coverages), coverage_peek_result_i, ncoverages);
rb_hash_freeze(ncoverages);
return ncoverages;
}
/*
* call-seq:
* Coverage.result => hash
*
* Returns a hash that contains filename as key and coverage array as value
* and disables coverage measurement.
*/
static VALUE
rb_coverage_result(VALUE klass)
{
VALUE ncoverages = rb_coverage_peek_result(klass);
VALUE coverages = rb_get_coverages();
st_foreach(RHASH_TBL(coverages), coverage_clear_result_i, ncoverages);
rb_reset_coverages();
return ncoverages;
}
......
VALUE rb_mCoverage = rb_define_module("Coverage");
rb_define_module_function(rb_mCoverage, "start", rb_coverage_start, 0);
rb_define_module_function(rb_mCoverage, "result", rb_coverage_result, 0);
rb_define_module_function(rb_mCoverage, "peek_result", rb_coverage_peek_result, 0);
rb_gc_register_address(&rb_coverages);
}
test/coverage/test_coverage.rb
end
end
def test_coverage_snapshot
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'
cov = Coverage.peek_result[tmp + '/test.rb']
coverage_test_method
cov2 = Coverage.peek_result[tmp + '/test.rb']
assert_equal cov[1] + 1, cov2[1]
assert_equal cov2, Coverage.result[tmp + '/test.rb']
}
}
ensure
$".replace loaded_features
end
def test_restarting_coverage
loaded_features = $".dup
    (1-1/1)