text: // Copyright 2009 the Sputnik authors.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  info: |
      The pop function is intentionally generic.
      It does not require that its this value be an Array object
  esid: sec-array.prototype.pop
  description: >
      Operator use ToNumber from length.  If Type(value) is Object,
      evaluate ToPrimitive(value, Number)
  ---*/
  
  var obj = {};
  obj.pop = Array.prototype.pop;
  
  obj[0] = -1;
  obj.length = {
    valueOf() {
      return 1
    }
  };
  var pop = obj.pop();
  assert.sameValue(pop, -1, 'The value of pop is expected to be -1');
  
  obj[0] = -1;
  obj.length = {
    valueOf() {
      return 1
    },
    toString() {
      return 0
    }
  };
  var pop = obj.pop();
  assert.sameValue(pop, -1, 'The value of pop is expected to be -1');
  
  obj[0] = -1;
  obj.length = {
    valueOf() {
      return 1
    },
    toString() {
      return {}
    }
  };
  var pop = obj.pop();
  assert.sameValue(pop, -1, 'The value of pop is expected to be -1');
  
  try {
    obj[0] = -1;
    obj.length = {
      valueOf() {
        return 1
      },
      toString() {
        throw "error"
      }
    };
    var pop = obj.pop();
    assert.sameValue(pop, -1, 'The value of pop is expected to be -1');
  }
  catch (e) {
    assert.notSameValue(e, "error", 'The value of e is not "error"');
  }
  
  obj[0] = -1;
  obj.length = {
    toString() {
      return 0
    }
  };
  var pop = obj.pop();
  assert.sameValue(pop, undefined, 'The value of pop is expected to equal undefined');
  
  obj[0] = -1;
  obj.length = {
    valueOf() {
      return {}
    },
    toString() {
      return 0
    }
  }
  var pop = obj.pop();
  assert.sameValue(pop, undefined, 'The value of pop is expected to equal undefined');
  
  try {
    obj[0] = -1;
    obj.length = {
      valueOf() {
        throw "error"
      },
      toString() {
        return 0
      }
    };
    var pop = obj.pop();
    throw new Test262Error('#7.1: obj[0] = -1; obj.length = {valueOf() {throw "error"}, toString() {return 0}}; obj.pop() throw "error". Actual: ' + (pop));
  }
  catch (e) {
    assert.sameValue(e, "error", 'The value of e is expected to be "error"');
  }
  
  try {
    obj[0] = -1;
    obj.length = {
      valueOf() {
        return {}
      },
      toString() {
        return {}
      }
    };
    var pop = obj.pop();
    throw new Test262Error('#8.1: obj[0] = -1; obj.length = {valueOf() {return {}}, toString() {return {}}}  obj.pop() throw TypeError. Actual: ' + (pop));
  }
  catch (e) {
    assert.sameValue(
      e instanceof TypeError,
      true,
      'The result of evaluating (e instanceof TypeError) is expected to be true'
    );
  }
  