bn.js - npm Package Compare versions

Comparing version 4.5.1 to 4.5.2

package.json

 {
   "name": "bn.js",
-  "version": "4.5.1",
+  "version": "4.5.2",
   "description": "Big number implementation in pure javascript",
@@ -5,0 +5,0 @@ "main": "lib/bn.js",

README.md

@@ -69,3 +69,3 @@ # <img src="./logo.png" alt="bn.js" width="160" height="160" />
 * `a.isZero()` - no comments
-* `a.cmp(b)` - compare numbers and return `-1` (`<`), `0` (`==`), or `1` (`>`)
+* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
   depending on the comparison result (`ucmp`, `cmpn`)
@@ -72,0 +72,0 @@

test/utils-test.js

@@ -170,2 +170,34 @@ var assert = require('assert');
   });
+
+  describe('.cmpn', function() {
+    it('should return -1, 0, 1 correctly', function() {
+      assert.equal(new BN(42).cmpn(42), 0);
+      assert.equal(new BN(42).cmpn(43), -1);
+      assert.equal(new BN(42).cmpn(41), 1);
+      assert.equal(new BN(0x3fffffe).cmpn(0x3fffffe), 0);
+      assert.equal(new BN(0x3fffffe).cmpn(0x3ffffff), -1);
+      assert.equal(new BN(0x3fffffe).cmpn(0x3fffffd), 1);
+      assert.throws(function() {
+        new BN(0x3fffffe).cmpn(0x4000000);
+      });
+      assert.equal(new BN(42).cmpn(-42), 1);
+      assert.equal(new BN(-42).cmpn(42), -1);
+      assert.equal(new BN(-42).cmpn(-42), 0);
+    });
+  });
+
+  describe('.cmp', function() {
+    it('should return -1, 0, 1 correctly', function() {
+      assert.equal(new BN(42).cmp(new BN(42)), 0);
+      assert.equal(new BN(42).cmp(new BN(43)), -1);
+      assert.equal(new BN(42).cmp(new BN(41)), 1);
+      assert.equal(new BN(0x3fffffe).cmp(new BN(0x3fffffe)), 0);
+      assert.equal(new BN(0x3fffffe).cmp(new BN(0x3ffffff)), -1);
+      assert.equal(new BN(0x3fffffe).cmp(new BN(0x3fffffd)), 1);
+      assert.equal(new BN(0x3fffffe).cmp(new BN(0x4000000)), -1);
+      assert.equal(new BN(42).cmp(new BN(-42)), 1);
+      assert.equal(new BN(-42).cmp(new BN(42)), -1);
+      assert.equal(new BN(-42).cmp(new BN(-42)), 0);
+    });
+  });
 });

No alert changes

Improved metrics

Total package byte prevSize

166563

increased by0.84%

Lines of code

4757

increased by0.55%

No dependency changes