update

node_modules/constantinople/test/index.js

@@ -0,0 +1,86 @@
+'use strict';
+
+var assert = require('assert');
+var constaninople = require('../');
+
+describe('isConstant(src)', function() {
+  it('handles "[5 + 3 + 10]"', function() {
+    assert(constaninople.isConstant('[5 + 3 + 10]') === true);
+  });
+  it('handles "/[a-z]/i.test(\'a\')"', function() {
+    assert(constaninople.isConstant("/[a-z]/i.test('a')") === true);
+  });
+  it("handles \"{'class': [('data')]}\"", function() {
+    assert(constaninople.isConstant("{'class': [('data')]}") === true);
+  });
+  it('handles "Math.random()"', function() {
+    assert(constaninople.isConstant('Math.random()') === false);
+  });
+  it('handles "Math.random("', function() {
+    assert(constaninople.isConstant('Math.random(') === false);
+  });
+  it('handles "Math.floor(10.5)" with {Math: Math} as constants', function() {
+    assert(constaninople.isConstant('Math.floor(10.5)', {Math: Math}) === true);
+  });
+  it('handles "this.myVar"', function() {
+    assert(constaninople.isConstant('this.myVar') === false);
+  });
+  it('handles "(function () { while (true); return 10; }())"', function() {
+    assert(
+      constaninople.isConstant(
+        '(function () { while (true); return 10; }())',
+      ) === false,
+    );
+  });
+  it('handles "({}).toString.constructor("console.log(1)")()"', function() {
+    assert(
+      constaninople.isConstant(
+        '({}).toString.constructor("console.log(1)")()',
+      ) === false,
+    );
+  });
+});
+
+describe('toConstant(src)', function() {
+  it('handles "[5 + 3 + 10]"', function() {
+    assert.deepEqual(constaninople.toConstant('[5 + 3 + 10]'), [5 + 3 + 10]);
+  });
+  it('handles "/[a-z]/i.test(\'a\')"', function() {
+    assert(constaninople.toConstant("/[a-z]/i.test('a')") === true);
+  });
+  it("handles \"{'class': [('data')]}\"", function() {
+    assert.deepEqual(constaninople.toConstant("{'class': [('data')]}"), {
+      class: ['data'],
+    });
+  });
+  it('handles "Math.random()"', function() {
+    try {
+      constaninople.toConstant('Math.random()');
+    } catch (ex) {
+      return;
+    }
+    assert(false, 'Math.random() should result in an error');
+  });
+  it('handles "Math.random("', function() {
+    try {
+      constaninople.toConstant('Math.random(');
+    } catch (ex) {
+      return;
+    }
+    assert(false, 'Math.random( should result in an error');
+  });
+  it('handles "Math.floor(10.5)" with {Math: Math} as constants', function() {
+    assert(constaninople.toConstant('Math.floor(10.5)', {Math: Math}) === 10);
+  });
+  it('handles "(function () { while (true); return 10; }())"', function() {
+    try {
+      constaninople.toConstant('(function () { while (true); return 10; }())');
+    } catch (ex) {
+      return;
+    }
+    assert(
+      false,
+      '(function () { while (true); return 10; }()) should result in an error',
+    );
+  });
+});