Index: node_modules/node-gyp/test/test-create-config-gypi.js
===================================================================
--- node_modules/node-gyp/test/test-create-config-gypi.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
+++ node_modules/node-gyp/test/test-create-config-gypi.js	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
@@ -0,0 +1,70 @@
+'use strict'
+
+const path = require('path')
+const { test } = require('tap')
+const gyp = require('../lib/node-gyp')
+const createConfigGypi = require('../lib/create-config-gypi')
+const { parseConfigGypi, getCurrentConfigGypi } = createConfigGypi.test
+
+test('config.gypi with no options', async function (t) {
+  t.plan(2)
+
+  const prog = gyp()
+  prog.parseArgv([])
+
+  const config = await getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.target_defaults.default_configuration, 'Release')
+  t.equal(config.variables.target_arch, process.arch)
+})
+
+test('config.gypi with --debug', async function (t) {
+  t.plan(1)
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', '--debug'])
+
+  const config = await getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.target_defaults.default_configuration, 'Debug')
+})
+
+test('config.gypi with custom options', async function (t) {
+  t.plan(1)
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', '--shared-libxml2'])
+
+  const config = await getCurrentConfigGypi({ gyp: prog, vsInfo: {} })
+  t.equal(config.variables.shared_libxml2, true)
+})
+
+test('config.gypi with nodedir', async function (t) {
+  t.plan(1)
+
+  const nodeDir = path.join(__dirname, 'fixtures', 'nodedir')
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', `--nodedir=${nodeDir}`])
+
+  const config = await getCurrentConfigGypi({ gyp: prog, nodeDir, vsInfo: {} })
+  t.equal(config.variables.build_with_electron, true)
+})
+
+test('config.gypi with --force-process-config', async function (t) {
+  t.plan(1)
+
+  const nodeDir = path.join(__dirname, 'fixtures', 'nodedir')
+
+  const prog = gyp()
+  prog.parseArgv(['_', '_', '--force-process-config', `--nodedir=${nodeDir}`])
+
+  const config = await getCurrentConfigGypi({ gyp: prog, nodeDir, vsInfo: {} })
+  t.equal(config.variables.build_with_electron, undefined)
+})
+
+test('config.gypi parsing', function (t) {
+  t.plan(1)
+
+  const str = "# Some comments\n{'variables': {'multiline': 'A'\n'B'}}"
+  const config = parseConfigGypi(str)
+  t.deepEqual(config, { variables: { multiline: 'AB' } })
+})