test: add common.mustNotCall()

This commit adds a mustNotCall() helper for testing. This provides
an alternative to using common.fail() as a callback, or creating
a callback function for the sole purpose of calling common.fail().

PR-URL: https://github.com/nodejs/node/pull/11152
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
This commit is contained in:
cjihrig committed 2017-02-06 14:07:55 -05:00
1 parent 9549329158
commit 7dd82dd1c3
124 files changed
+204 -235

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@@ -9,7 +9,7 @@ const err = new Stream();
// ensure the Console instance doesn't write to the
// process' "stdout" or "stderr" streams
process.stdout.write = process.stderr.write = common.fail;
process.stdout.write = process.stderr.write = common.mustNotCall();
// make sure that the "Console" function exists
assert.strictEqual('function', typeof Console);