package org.jruby.ext.coverage;
import java.util.Map;
import org.jruby.Ruby;
import org.jruby.RubyArray;
import org.jruby.RubyHash;
import org.jruby.RubyString;
import org.jruby.anno.JRubyMethod;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
/**
* Implementation of Ruby 1.9.2's "Coverage" module
*/
public class CoverageModule {
@JRubyMethod(module = true)
public static IRubyObject start(ThreadContext context, IRubyObject self) {
Ruby runtime = context.runtime;
if (!runtime.getCoverageData().isCoverageEnabled()) {
runtime.getCoverageData().setCoverageEnabled(runtime, true);
}
return context.nil;
}
@JRubyMethod(module = true)
public static IRubyObject result(ThreadContext context, IRubyObject self) {
Ruby runtime = context.runtime;
if (!runtime.getCoverageData().isCoverageEnabled()) {
throw runtime.newRuntimeError("coverage measurement is not enabled");
}
Map<String, Integer[]> coverage = runtime.getCoverageData().resetCoverage(runtime);
// populate a Ruby Hash with coverage data
RubyHash covHash = RubyHash.newHash(runtime);
for (Map.Entry<String, Integer[]> entry : coverage.entrySet()) {
RubyArray ary = RubyArray.newArray(runtime, entry.getValue().length);
for (int i = 0; i < entry.getValue().length; i++) {
Integer integer = entry.getValue()[i];
ary.store(i, integer == null ? runtime.getNil() : runtime.newFixnum(integer));
covHash.fastASetCheckString(runtime, RubyString.newString(runtime, entry.getKey()), ary);
}
}
return covHash;
}
}