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test: writable.write arg type #29746

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test: writable.write arg type #29746

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35 changes: 35 additions & 0 deletions test/parallel/test-stream-writable-invalid-chunk.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,35 @@
'use strict';

const common = require('../common');
const stream = require('stream');

function testWriteType(val, objectMode, code) {
const writable = new stream.Writable({
objectMode,
write: () => {}
});
if (!code) {
writable.on('error', common.mustNotCall());
} else {
writable.on('error', common.expectsError({
code: code,
}));
}
writable.write(val);
}

testWriteType([], false, 'ERR_INVALID_ARG_TYPE');
testWriteType({}, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(0, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(true, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(0.0, false, 'ERR_INVALID_ARG_TYPE');
testWriteType(undefined, false, 'ERR_INVALID_ARG_TYPE');
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testWriteType(null, false, 'ERR_STREAM_NULL_VALUES');

testWriteType([], true);
testWriteType({}, true);
testWriteType(0, true);
testWriteType(true, true);
testWriteType(0.0, true);
testWriteType(undefined, true);
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testWriteType(null, true, 'ERR_STREAM_NULL_VALUES');