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node_modules/resolve/test/resolver.js

@@ -364,7 +364,7 @@ test('async dot slash main', function (t) {
 });
 
 test('not a directory', function (t) {
-    t.plan(5);
+    t.plan(6);
     var path = './foo';
     resolve(path, { basedir: __filename }, function (err, res, pkg) {
         t.ok(err, 'a non-directory errors');
@@ -372,7 +372,34 @@ test('not a directory', function (t) {
         t.equal(res, undefined);
         t.equal(pkg, undefined);
 
-        t.equal(err && err.message, 'Cannot find module \'' + path + "' from '" + __filename + "'");
+        t.equal(err && err.message, 'Cannot find module \'' + path + '\' from \'' + __filename + '\'');
+        t.equal(err && err.code, 'MODULE_NOT_FOUND');
+    });
+});
+
+test('non-string "main" field in package.json', function (t) {
+    t.plan(5);
+
+    var dir = path.join(__dirname, 'resolver');
+    resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) {
+        t.ok(err, 'errors on non-string main');
+        t.equal(err.message, 'package “invalid main” `main` must be a string');
+        t.equal(err.code, 'INVALID_PACKAGE_MAIN');
+        t.equal(res, undefined, 'res is undefined');
+        t.equal(pkg, undefined, 'pkg is undefined');
+    });
+});
+
+test('non-string "main" field in package.json', function (t) {
+    t.plan(5);
+
+    var dir = path.join(__dirname, 'resolver');
+    resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) {
+        t.ok(err, 'errors on non-string main');
+        t.equal(err.message, 'package “invalid main” `main` must be a string');
+        t.equal(err.code, 'INVALID_PACKAGE_MAIN');
+        t.equal(res, undefined, 'res is undefined');
+        t.equal(pkg, undefined, 'pkg is undefined');
     });
 });