From 5525c22310d4cde54f53ae75e68f5321c9a1ef82 Mon Sep 17 00:00:00 2001
From: "Daniel D. Beck" <daniel@ddbeck.com>
Date: Fri, 1 Oct 2021 13:29:35 +0100
Subject: [PATCH] Add tests for getVersionAdded in consistency test

---
 package.json                         |  2 +-
 test/linter/index.js                 |  2 +-
 test/linter/test-consistency.js      |  2 +-
 test/linter/test-consistency.test.js | 52 ++++++++++++++++++++++++++++
 4 files changed, 55 insertions(+), 3 deletions(-)
 create mode 100644 test/linter/test-consistency.test.js

diff --git a/package.json b/package.json
index 6b2d17c9be06a7..aab4f71ceb024a 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
   },
   "scripts": {
     "confluence": "node ./node_modules/mdn-confluence/main/generate.es6.js --output-dir=. --bcd-module=./index.js",
-    "mocha": "mocha \"*/**.test.js\"",
+    "mocha": "mocha \"**/*.test.js\"",
     "lint": "node test/lint",
     "fix": "node scripts/fix",
     "mirror": "node scripts/mirror",
diff --git a/test/linter/index.js b/test/linter/index.js
index 3f435f5fe846c8..564661d37acf35 100644
--- a/test/linter/index.js
+++ b/test/linter/index.js
@@ -6,7 +6,7 @@ const testRealValues = require('./test-real-values.js');
 const testSchema = require('./test-schema.js');
 const testStyle = require('./test-style.js');
 const testVersions = require('./test-versions.js');
-const testConsistency = require('./test-consistency.js');
+const { testConsistency } = require('./test-consistency.js');
 const testDescriptions = require('./test-descriptions.js');
 
 module.exports = {
diff --git a/test/linter/test-consistency.js b/test/linter/test-consistency.js
index d029f0bf44af75..b1edcb85525440 100644
--- a/test/linter/test-consistency.js
+++ b/test/linter/test-consistency.js
@@ -413,4 +413,4 @@ function testConsistency(filename) {
   return false;
 }
 
-module.exports = testConsistency;
+module.exports = { ConsistencyChecker, testConsistency };
diff --git a/test/linter/test-consistency.test.js b/test/linter/test-consistency.test.js
new file mode 100644
index 00000000000000..bb2a63773a3a77
--- /dev/null
+++ b/test/linter/test-consistency.test.js
@@ -0,0 +1,52 @@
+const assert = require('assert').strict;
+
+const { ConsistencyChecker } = require('./test-consistency');
+
+const check = new ConsistencyChecker();
+
+describe('ConsistencyChecker.getVersionAdded()', function () {
+  it('returns null for non-real values', () => {
+    assert.equal(check.getVersionAdded({ version_added: null }), null);
+  });
+
+  it('returns null for "preview" values', () => {
+    assert.equal(check.getVersionAdded({ version_added: 'preview' }), null);
+  });
+
+  it('returns the value for real and ranged values', () => {
+    assert.equal(check.getVersionAdded({ version_added: '12' }), '12');
+    assert.equal(check.getVersionAdded({ version_added: '≤11' }), '≤11');
+  });
+
+  it('returns the earliest real value for an array support statement', () => {
+    assert.equal(
+      check.getVersionAdded([
+        { version_added: '≤11' },
+        { version_added: '101' },
+      ]),
+      '≤11',
+    );
+    assert.equal(
+      check.getVersionAdded([
+        { version_added: 'preview' },
+        { version_added: '≤11', flags: [] },
+      ]),
+      null,
+    );
+    assert.equal(
+      check.getVersionAdded([
+        { version_added: true },
+        { version_added: '≤11', flags: [] },
+      ]),
+      null,
+    );
+
+    assert.equal(
+      check.getVersionAdded([
+        { version_added: '87' },
+        { version_added: true, flags: [] },
+      ]),
+      null,
+    );
+  });
+});