init source

node_modules/through/test/end.js

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+var test = require('tape')
+var through = require('../')
+
+// must emit end before close.
+
+test('end before close', function (assert) {
+  var ts = through()
+  var ended = false, closed = false
+
+  ts.on('end', function () {
+    assert.ok(!closed)
+    ended = true
+  })
+  ts.on('close', function () {
+    assert.ok(ended)
+    closed = true
+  })
+
+  ts.write(1)
+  ts.write(2)
+  ts.write(3)
+  ts.end()
+  assert.ok(ended)
+  assert.ok(closed)
+  assert.end()
+})
+
+test('end only once', function (t) {
+
+  var ts = through()
+  var ended = false, closed = false
+
+  ts.on('end', function () {
+    t.equal(ended, false)
+    ended = true
+  })
+
+  ts.queue(null)
+  ts.queue(null)
+  ts.queue(null)
+
+  ts.resume()
+
+  t.end()
+})