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Interpreting: explain $DONOTEVALUATE. (#2735) 

No version change is necessary, this is purely informative.
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Rick Waldron 2020-08-20 17:11:10 -04:00 committed by GitHub
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2
CONTRIBUTING.md
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@ -237,7 +237,7 @@ Function | Purpose
`assert.sameValue(actual, expected, message)` | throw a new Test262Error instance if the first two arguments are not [the same value](https://tc39.github.io/ecma262/#sec-samevalue); accepts an optional string message for use in creating the error `assert.sameValue(actual, expected, message)` | throw a new Test262Error instance if the first two arguments are not [the same value](https://tc39.github.io/ecma262/#sec-samevalue); accepts an optional string message for use in creating the error
`assert.notSameValue(actual, unexpected, message)` | throw a new Test262Error instance if the first two arguments are [the same value](https://tc39.github.io/ecma262/#sec-samevalue); accepts an optional string message for use in creating the error `assert.notSameValue(actual, unexpected, message)` | throw a new Test262Error instance if the first two arguments are [the same value](https://tc39.github.io/ecma262/#sec-samevalue); accepts an optional string message for use in creating the error
`assert.throws(expectedErrorConstructor, fn, message)` | throw a new Test262Error instance if the provided function does not throw an error, or if the constructor of the value thrown does not match the provided constructor `assert.throws(expectedErrorConstructor, fn, message)` | throw a new Test262Error instance if the provided function does not throw an error, or if the constructor of the value thrown does not match the provided constructor
`$DONOTEVALUATE()` | throw an exception if the code gets evaluated. This is useful for [negative test cases for parsing errors](#handling-errors-and-negative-test-cases). `$DONOTEVALUATE()` | throw an exception if the code gets evaluated. This may only be used in [negative test cases for parsing errors](#handling-errors-and-negative-test-cases).
`throw "Test262: This statement should not be evaluated.";` | throw an exception if the code gets evaluated. Use this if the test file has the `raw` flag and it's a negative test case for parsing error. `throw "Test262: This statement should not be evaluated.";` | throw an exception if the code gets evaluated. Use this if the test file has the `raw` flag and it's a negative test case for parsing error.
`$ERROR(message)` | construct a Test262Error object and throw it <br>**DEPRECATED** -- Do not use in new tests. Use `assert`, `assert.*`, or `throw new Test262Error` instead. `$ERROR(message)` | construct a Test262Error object and throw it <br>**DEPRECATED** -- Do not use in new tests. Use `assert`, `assert.*`, or `throw new Test262Error` instead.

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INTERPRETING.md
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@ -190,6 +190,16 @@ an exception, or if the name of the thrown exception's constructor does not
match the specified constructor name, or if the error occurs at a phase that match the specified constructor name, or if the error occurs at a phase that
differs from the indicated phase, the test must be interpreted as "failing." differs from the indicated phase, the test must be interpreted as "failing."
The **`$DONOTEVALUATE()`** function is for use in tests that include the following meta data:
```
negative:
phase: runtime
type: ReferenceError
```
The definition is considered "runner implementation defined" and no guarantees can be made about its behavior, therefore it is restricted to only tests that meet the criteria described above.
*Examples:* *Examples:*
```js ```js