// Copyright 2008 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
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//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
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// Check that dynamically introducing conflicting consts/vars
// leads to exceptions.

var caught = 0;

eval("const a");
try { eval("var a"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof a == 'undefined');
try { eval("var a = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof a == 'undefined');

eval("const b = 0");
try { eval("var b"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, b);
try { eval("var b = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, b);

eval("var c");
try { eval("const c"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof c == 'undefined');
try { eval("const c = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertTrue(typeof c == 'undefined');

eval("var d = 0");
try { eval("const d"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, d);
try { eval("const d = 1"); } catch (e) { caught++; assertTrue(e instanceof TypeError); }
assertEquals(0, d);

assertEquals(8, caught);