JSTests/test262/test/language/expressions/left-shift/bigint-toprimitive.js

// Copyright (C) 2017 Josh Wolfe. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: left-shift operator ToNumeric with BigInt operands
esid: sec-left-shift-operator-runtime-semantics-evaluation
features: [BigInt, Symbol.toPrimitive, computed-property-names]
---*/
function err() {
  throw new Test262Error();
}

function MyError() {}

assert.sameValue({
  [Symbol.toPrimitive]: function() {
    return 2n;
  },

  valueOf: err,
  toString: err
} << 1n, 4n, 'The result of (({[Symbol.toPrimitive]: function() {return 2n;}, valueOf: err, toString: err}) << 1n) is 4n');

assert.sameValue(1n << {
  [Symbol.toPrimitive]: function() {
    return 2n;
  },

  valueOf: err,
  toString: err
}, 4n, 'The result of (1n << {[Symbol.toPrimitive]: function() {return 2n;}, valueOf: err, toString: err}) is 4n');

assert.sameValue({
  valueOf: function() {
    return 2n;
  },

  toString: err
} << 1n, 4n, 'The result of (({valueOf: function() {return 2n;}, toString: err}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: function() {
    return 2n;
  },

  toString: err
}, 4n, 'The result of (1n << {valueOf: function() {return 2n;}, toString: err}) is 4n');

assert.sameValue({
  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {toString: function() {return 2n;}}) is 4n');

assert.sameValue({
  [Symbol.toPrimitive]: undefined,

  valueOf: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({[Symbol.toPrimitive]: undefined, valueOf: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  [Symbol.toPrimitive]: undefined,

  valueOf: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {[Symbol.toPrimitive]: undefined, valueOf: function() {return 2n;}}) is 4n');

assert.sameValue({
  [Symbol.toPrimitive]: null,

  valueOf: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({[Symbol.toPrimitive]: null, valueOf: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  [Symbol.toPrimitive]: null,

  valueOf: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {[Symbol.toPrimitive]: null, valueOf: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: null,

  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: null, toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: null,

  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: null, toString: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: 1,

  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: 1, toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: 1,

  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: 1, toString: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: {},

  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: {}, toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: {},

  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: {}, toString: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: function() {
    return {};
  },

  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: function() {return {};}, toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: function() {
    return {};
  },

  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: function() {return {};}, toString: function() {return 2n;}}) is 4n');

assert.sameValue({
  valueOf: function() {
    return Object(12345);
  },

  toString: function() {
    return 2n;
  }
} << 1n, 4n, 'The result of (({valueOf: function() {return Object(12345);}, toString: function() {return 2n;}}) << 1n) is 4n');

assert.sameValue(1n << {
  valueOf: function() {
    return Object(12345);
  },

  toString: function() {
    return 2n;
  }
}, 4n, 'The result of (1n << {valueOf: function() {return Object(12345);}, toString: function() {return 2n;}}) is 4n');

assert.throws(TypeError, function() {
  ({
    [Symbol.toPrimitive]: 1
  }) << 0n;
}, '({[Symbol.toPrimitive]: 1}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    [Symbol.toPrimitive]: 1
  };
}, '0n << {[Symbol.toPrimitive]: 1} throws TypeError');

assert.throws(TypeError, function() {
  ({
    [Symbol.toPrimitive]: {}
  }) << 0n;
}, '({[Symbol.toPrimitive]: {}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    [Symbol.toPrimitive]: {}
  };
}, '0n << {[Symbol.toPrimitive]: {}} throws TypeError');

assert.throws(TypeError, function() {
  ({
    [Symbol.toPrimitive]: function() {
      return Object(1);
    }
  }) << 0n;
}, '({[Symbol.toPrimitive]: function() {return Object(1);}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    [Symbol.toPrimitive]: function() {
      return Object(1);
    }
  };
}, '0n << {[Symbol.toPrimitive]: function() {return Object(1);}} throws TypeError');

assert.throws(TypeError, function() {
  ({
    [Symbol.toPrimitive]: function() {
      return {};
    }
  }) << 0n;
}, '({[Symbol.toPrimitive]: function() {return {};}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    [Symbol.toPrimitive]: function() {
      return {};
    }
  };
}, '0n << {[Symbol.toPrimitive]: function() {return {};}} throws TypeError');

assert.throws(MyError, function() {
  ({
    [Symbol.toPrimitive]: function() {
      throw new MyError();
    }
  }) << 0n;
}, '({[Symbol.toPrimitive]: function() {throw new MyError();}}) << 0n throws MyError');

assert.throws(MyError, function() {
  0n << {
    [Symbol.toPrimitive]: function() {
      throw new MyError();
    }
  };
}, '0n << {[Symbol.toPrimitive]: function() {throw new MyError();}} throws MyError');

assert.throws(MyError, function() {
  ({
    valueOf: function() {
      throw new MyError();
    }
  }) << 0n;
}, '({valueOf: function() {throw new MyError();}}) << 0n throws MyError');

assert.throws(MyError, function() {
  0n << {
    valueOf: function() {
      throw new MyError();
    }
  };
}, '0n << {valueOf: function() {throw new MyError();}} throws MyError');

assert.throws(MyError, function() {
  ({
    toString: function() {
      throw new MyError();
    }
  }) << 0n;
}, '({toString: function() {throw new MyError();}}) << 0n throws MyError');

assert.throws(MyError, function() {
  0n << {
    toString: function() {
      throw new MyError();
    }
  };
}, '0n << {toString: function() {throw new MyError();}} throws MyError');

assert.throws(TypeError, function() {
  ({
    valueOf: null,
    toString: null
  }) << 0n;
}, '({valueOf: null, toString: null}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    valueOf: null,
    toString: null
  };
}, '0n << {valueOf: null, toString: null} throws TypeError');

assert.throws(TypeError, function() {
  ({
    valueOf: 1,
    toString: 1
  }) << 0n;
}, '({valueOf: 1, toString: 1}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    valueOf: 1,
    toString: 1
  };
}, '0n << {valueOf: 1, toString: 1} throws TypeError');

assert.throws(TypeError, function() {
  ({
    valueOf: {},
    toString: {}
  }) << 0n;
}, '({valueOf: {}, toString: {}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    valueOf: {},
    toString: {}
  };
}, '0n << {valueOf: {}, toString: {}} throws TypeError');

assert.throws(TypeError, function() {
  ({
    valueOf: function() {
      return Object(1);
    },

    toString: function() {
      return Object(1);
    }
  }) << 0n;
}, '({valueOf: function() {return Object(1);}, toString: function() {return Object(1);}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    valueOf: function() {
      return Object(1);
    },

    toString: function() {
      return Object(1);
    }
  };
}, '0n << {valueOf: function() {return Object(1);}, toString: function() {return Object(1);}} throws TypeError');

assert.throws(TypeError, function() {
  ({
    valueOf: function() {
      return {};
    },

    toString: function() {
      return {};
    }
  }) << 0n;
}, '({valueOf: function() {return {};}, toString: function() {return {};}}) << 0n throws TypeError');

assert.throws(TypeError, function() {
  0n << {
    valueOf: function() {
      return {};
    },

    toString: function() {
      return {};
    }
  };
}, '0n << {valueOf: function() {return {};}, toString: function() {return {};}} throws TypeError');