Script-getOffsetsCoverage-02.js

Enable keyboard shortcuts

// |jit-test| --ion-pruning=off; skip-if: isLcovEnabled()

// This script check that when we enable / disable the code coverage collection,

// then we have different results for the getOffsetsCoverage methods.

var g = newGlobal({newCompartment: true});

var dbg = Debugger(g);

var coverageInfo = [];

var num = 20;

function loop(i) {

  var n = 0;

  for (n = 0; n < i; n++)

    debugger;

g.eval(loop.toString());

dbg.onDebuggerStatement = function (f) {

  // Collect coverage info each time we hit a debugger statement.

  coverageInfo.push(f.callee.script.getOffsetsCoverage());

};

coverageInfo = [];

dbg.collectCoverageInfo = false;

g.eval("loop(" + num + ");");

assertEq(coverageInfo.length, num);

assertEq(coverageInfo[0], null);

assertEq(coverageInfo[num - 1], null);

coverageInfo = [];

dbg.collectCoverageInfo = true;

g.eval("loop(" + num + ");");

assertEq(coverageInfo.length, num);

assertEq(!coverageInfo[0], false);

assertEq(!coverageInfo[num - 1], false);

coverageInfo = [];

dbg.collectCoverageInfo = false;

g.eval("loop(" + num + ");");

assertEq(coverageInfo.length, num);

assertEq(coverageInfo[0], null);

assertEq(coverageInfo[num - 1], null);