toNumber uses exposed toBn tests

polkadot-js · Aug 22, 2023 · 26e33f0 · 26e33f0
1 parent 54b65b0
commit 26e33f0
Showing 1 changed file with 15 additions and 158 deletions.
diff --git a/packages/util/src/u8a/toNumber.spec.ts b/packages/util/src/u8a/toNumber.spec.ts
@@ -5,170 +5,27 @@
 
 import { perf } from '../test/index.js';
 import { u8aToNumber } from './index.js';
+import { TESTS } from './toBn.spec.js';
 
-describe('u8aToNumber', (): void => {
-  describe('unsigned', (): void => {
-    it('converts values (u8)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12])
-        )
-      ).toBe(18);
-    });
-
-    it('converts values (u16)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12, 0x34])
-        )
-      ).toBe(13330);
-    });
-
-    it('converts values (u24)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12, 0x34, 0x56])
-        )
-      ).toBe(5649426);
-    });
-
-    it('converts values (u32)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12, 0x34, 0x56, 0x78])
-        )
-      ).toBe(2018915346);
-    });
-
-    it('converts values (u40)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12, 0x34, 0x56, 0x78, 0x9a])
-        )
-      ).toBe(663443878930);
-    });
-
-    it('converts values (u48)', (): void => {
-      expect(
-        u8aToNumber(
-          new Uint8Array([0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc])
-        )
-      ).toBe(207371629900818);
-    });
-  });
-
-  describe('signed', (): void => {
-    describe('positive values', (): void => {
-      it('converts positive numbers (i8)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([12]),
-            { isNegative: true }
-          )
-        ).toBe(12);
-      });
-
-      it('converts positive numbers (i16)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([210, 4]),
-            { isNegative: true }
-          )
-        ).toBe(1234);
-      });
+const TESTS_NUM = TESTS.filter(([isLe,, numarr]) =>
+  isLe === true &&
+  numarr.length <= 6
+);
 
-      it('converts positive numbers (i24)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([64, 226, 1]),
-            { isNegative: true }
-          )
-        ).toBe(123456);
-      });
-
-      it('converts positive numbers (i32)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([21, 205, 91, 7]),
-            { isNegative: true }
-          )
-        ).toBe(123456789);
-      });
-
-      it('converts positive numbers (i40)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([203, 36, 104, 12, 8]),
-            { isNegative: true }
-          )
-        ).toBe(34567890123);
-      });
-
-      it('converts positive numbers (i48)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([255, 159, 114, 78, 24, 9]),
-            { isNegative: true }
-          )
-        ).toBe(9999999999999);
-      });
-    });
-
-    describe('negative values', (): void => {
-      it('converts values (i8)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([244]),
-            { isNegative: true }
-          )
-        ).toBe(-12);
-      });
-
-      it('converts values (i16)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([46, 251]),
-            { isNegative: true }
-          )
-        ).toBe(-1234);
-      });
-
-      it('converts values (i24)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([192, 29, 254]),
-            { isNegative: true }
-          )
-        ).toBe(-123456);
-      });
-
-      it('converts values (i32)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([235, 50, 164, 248]),
-            { isNegative: true }
-          )
-        ).toBe(-123456789);
-      });
-
-      it('converts values (i40)', (): void => {
-        expect(
-          u8aToNumber(
-            new Uint8Array([65, 86, 129, 173, 254]),
-            { isNegative: true }
-          )
-        ).toBe(-5678999999);
-      });
+describe('u8aToNumber', (): void => {
+  describe('conversion tests', (): void => {
+    for (let i = 0, count = TESTS_NUM.length; i < count; i++) {
+      const [, isNegative, numarr, strval] = TESTS_NUM[i];
 
-      it('converts values (i48)', (): void => {
+      it(`${i}: creates ${strval} (bitLength=${numarr.length * 8}, isNegative=${isNegative})`, (): void => {
         expect(
           u8aToNumber(
-            new Uint8Array([1, 96, 141, 177, 231, 246]),
-            { isNegative: true }
-          )
-        ).toBe(-9999999999999);
+            new Uint8Array(numarr),
+            { isNegative }
+          ).toString()
+        ).toBe(strval);
       });
-    });
+    }
   });
 
   describe('empty creation', (): void => {