test: use lodash.isEqual instead of tap.strictSame

Fixes: #202
PR-URL: #206
Reviewed-By: Mykola Bilochub <nbelochub@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>

package.json

@@ -43,6 +43,7 @@
     "babel-preset-es2015": "^6.24.1",
     "eslint": "^3.19.0",
     "eslint-plugin-import": "^2.3.0",
+    "lodash.isequal": "^4.5.0",
     "remark-cli": "^3.0.1",
     "remark-lint": "^6.0.0",
     "remark-validate-links": "^6.0.0",

test/todo/json5.js

@@ -3,6 +3,7 @@
 const fs = require('fs');
 const path = require('path');
 const tap = require('tap');
+const deepEqual = require('lodash.isequal');
 const jstp = require('../..');
 
 const supportedByUs = {
@@ -58,12 +59,16 @@ testCases.forEach((testCase) => {
             test.strictSame(jstp.parse(file), JSON.parse(file));
             break;
           case '.json5':
-            test.strictSame(jstp.parse(file), extendedEval(file));
+            // Currently tap.strictSame() doesn't work well with NaNs.
+            // That is why we check if lodash.isequal returns true.
+            test.assert(deepEqual(jstp.parse(file), extendedEval(file)));
             break;
           case '.js': {
             const supportedTests = supportedByUs[testCase.name];
             if (supportedTests && supportedTests.includes(testName)) {
-              test.strictSame(jstp.parse(file), extendedEval(file));
+              // Currently tap.strictSame() doesn't work well with NaNs.
+              // That is why we check if lodash.isequal returns true.
+              test.assert(deepEqual(jstp.parse(file), extendedEval(file)));
             } else {
               test.throws(() => jstp.parse(file));
             }