修复钱包金额精度结算

backend/internal/modules/wallet/repository_test.go

@@ -0,0 +1,31 @@
+package wallet
+
+import (
+	"testing"
+
+	"hfb_sys/backend/internal/model"
+)
+
+func TestApplyEntryRoundsMoneyBeforeComparing(t *testing.T) {
+	account := model.WalletAccount{
+		UserID:        7,
+		FrozenBalance: 606.41,
+	}
+	entry := Entry{
+		UserID:      7,
+		Direction:   "out",
+		Amount:      406.41 + 200.00,
+		BalanceType: "frozen",
+	}
+
+	balanceAfter, err := applyEntry(&account, entry)
+	if err != nil {
+		t.Fatalf("applyEntry() error = %v", err)
+	}
+	if balanceAfter != 0 {
+		t.Fatalf("balanceAfter = %v, want 0", balanceAfter)
+	}
+	if account.FrozenBalance != 0 {
+		t.Fatalf("FrozenBalance = %v, want 0", account.FrozenBalance)
+	}
+}