forked from xuos/xiuos
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/* argument is not reference */
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assert (delete 0 === true);
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assert (delete "0" === true);
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assert (delete (a = 1) === true);
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assert (delete delete a === true);
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/* argument is unresolvable reference */
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assert (delete undefined_variable === true);
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/* argument is object-based reference */
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var a = [1];
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assert (a[0] === 1);
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assert (delete a[0] === true);
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assert (a[0] == undefined);
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var b = {c:0};
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assert (b.c === 0);
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assert (delete b.c === true);
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assert (b.c === undefined);
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/* argument is lexical environment-based reference */
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var a = 1;
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assert (a === 1);
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assert (delete a === false);
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assert (a === 1);
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