add more tests for tryParseTick (#2110)

src/state/mint/v3/utils.test.ts

@@ -16,7 +16,7 @@ describe('hooks', () => {
       expect(tryParsePrice(baseToken, quoteToken, '20.')).toEqual(undefined)
     })
 
-    it('should return a price', () => {
+    it('should return a price when decimals are the same', () => {
       const baseToken = new Token(1, '0x6b175474e89094c44da98b954eedeac495271d0f', 6)
       const quoteToken = new Token(1, '0x1b175474e89094c44da98b954eedeac495271d0f', 6)
 
@@ -36,5 +36,26 @@ describe('hooks', () => {
         tryParsePrice(baseToken, quoteToken, /* ~2^-128 */ '0.000000000000000000000000000587747')?.toSignificant(6)
       ).toEqual('0.000000000000000000000000000587747')
     })
+
+    it('should return a price when decimals are different', () => {
+      const baseToken = new Token(1, '0x6b175474e89094c44da98b954eedeac495271d0f', 2)
+      const quoteToken = new Token(1, '0x1b175474e89094c44da98b954eedeac495271d0f', 4)
+
+      expect(tryParsePrice(baseToken, quoteToken, '20')?.toSignificant(6)).toEqual('20')
+      expect(tryParsePrice(baseToken, quoteToken, '20.05')?.toSignificant(6)).toEqual('20.05')
+      expect(tryParsePrice(baseToken, quoteToken, '20.123456789')?.toSignificant(6)).toEqual('20.1235')
+      expect(tryParsePrice(baseToken, quoteToken, '0.123456789')?.toSignificant(6)).toEqual('0.123457')
+      expect(tryParsePrice(baseToken, quoteToken, '.123456789')?.toSignificant(6)).toEqual('0.123457')
+      expect(
+        tryParsePrice(
+          baseToken,
+          quoteToken,
+          (2 ** 128).toLocaleString('fullwide', { useGrouping: false })
+        )?.toSignificant(6)
+      ).toEqual('340282000000000000000000000000000000000')
+      expect(
+        tryParsePrice(baseToken, quoteToken, /* ~2^-128 */ '0.000000000000000000000000000587747')?.toSignificant(6)
+      ).toEqual('0.000000000000000000000000000587747')
+    })
   })
 })