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node_modules/command-line-args/test/ambiguous-input.js

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+'use strict'
+const TestRunner = require('test-runner')
+const commandLineArgs = require('../')
+const a = require('assert')
+
+const runner = new TestRunner()
+
+runner.test('ambiguous input: value looks like an option 1', function () {
+  const optionDefinitions = [
+    { name: 'colour', type: String, alias: 'c' }
+  ]
+  a.deepStrictEqual(commandLineArgs(optionDefinitions, { argv: [ '-c', 'red' ] }), {
+    colour: 'red'
+  })
+})
+
+runner.test('ambiguous input: value looks like an option 2', function () {
+  const optionDefinitions = [
+    { name: 'colour', type: String, alias: 'c' }
+  ]
+  const argv = [ '--colour', '--red' ]
+  a.throws(
+    () => commandLineArgs(optionDefinitions, { argv }),
+    err => err.name === 'UNKNOWN_OPTION'
+  )
+})
+
+runner.test('ambiguous input: value looks like an option 3', function () {
+  const optionDefinitions = [
+    { name: 'colour', type: String, alias: 'c' }
+  ]
+  a.doesNotThrow(function () {
+    commandLineArgs(optionDefinitions, { argv: [ '--colour=--red' ] })
+  })
+})
+
+runner.test('ambiguous input: value looks like an option 4', function () {
+  const optionDefinitions = [
+    { name: 'colour', type: String, alias: 'c' }
+  ]
+  a.deepStrictEqual(commandLineArgs(optionDefinitions, { argv: [ '--colour=--red' ] }), {
+    colour: '--red'
+  })
+})