diff --git a/test/src/internal/_test_functional_validateFunction.ts b/test/src/internal/_test_functional_validateFunction.ts
index 54546cf9ea..a945ff4d53 100644
--- a/test/src/internal/_test_functional_validateFunction.ts
+++ b/test/src/internal/_test_functional_validateFunction.ts
@@ -26,7 +26,7 @@ export const _test_functional_validateFunction =
           throw new Error(
             `Bug on typia.functional.validateFunction(): failed to detect error on the ${name} type.`,
           );
-        typia.assert(valid);
+        typia.assertEquals(valid);
         valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
         if (
diff --git a/test/src/internal/_test_functional_validateFunctionAsync.ts b/test/src/internal/_test_functional_validateFunctionAsync.ts
index 9518b9e877..2699ef2801 100644
--- a/test/src/internal/_test_functional_validateFunctionAsync.ts
+++ b/test/src/internal/_test_functional_validateFunctionAsync.ts
@@ -31,7 +31,7 @@ export const _test_functional_validateFunctionAsync =
             throw new Error(
               `Bug on await typia.functional.validateFunction(): failed to detect error on the ${name} type.`,
             );
-          typia.assert(valid);
+          typia.assertEquals(valid);
           valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
           if (
diff --git a/test/src/internal/_test_functional_validateParameters.ts b/test/src/internal/_test_functional_validateParameters.ts
index 5f586ff561..0085b938fe 100644
--- a/test/src/internal/_test_functional_validateParameters.ts
+++ b/test/src/internal/_test_functional_validateParameters.ts
@@ -26,7 +26,7 @@ export const _test_functional_validateParameters =
           throw new Error(
             `Bug on typia.functional.validateFunction(): failed to detect error on the ${name} type.`,
           );
-        typia.assert(valid);
+        typia.assertEquals(valid);
         valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
         if (
diff --git a/test/src/internal/_test_functional_validateParametersAsync.ts b/test/src/internal/_test_functional_validateParametersAsync.ts
index c23af328f3..f8ea99d3dd 100644
--- a/test/src/internal/_test_functional_validateParametersAsync.ts
+++ b/test/src/internal/_test_functional_validateParametersAsync.ts
@@ -31,7 +31,7 @@ export const _test_functional_validateParametersAsync =
             throw new Error(
               `Bug on await typia.functional.validateFunction(): failed to detect error on the ${name} type.`,
             );
-          typia.assert(valid);
+          typia.assertEquals(valid);
           valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
           if (
diff --git a/test/src/internal/_test_functional_validateReturn.ts b/test/src/internal/_test_functional_validateReturn.ts
index 5bc0da6008..580256d075 100644
--- a/test/src/internal/_test_functional_validateReturn.ts
+++ b/test/src/internal/_test_functional_validateReturn.ts
@@ -26,7 +26,7 @@ export const _test_functional_validateReturn =
           throw new Error(
             `Bug on typia.functional.validateFunction(): failed to detect error on the ${name} type.`,
           );
-        typia.assert(valid);
+        typia.assertEquals(valid);
         valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
         if (
diff --git a/test/src/internal/_test_http_validateFormData.ts b/test/src/internal/_test_http_validateFormData.ts
index d6b52c0126..f70ca83384 100644
--- a/test/src/internal/_test_http_validateFormData.ts
+++ b/test/src/internal/_test_http_validateFormData.ts
@@ -17,6 +17,7 @@ export const _test_http_validateFormData =
       throw new Error(
         `Bug on typia.http.validateFormData(): failed to understand ${name} type.`,
       );
+    typia.assertEquals<typia.IValidation.ISuccess<unknown>>(result);
 
     const equal: boolean =
       result !== null && resolved_equal_to(name)(data, result.data);
@@ -38,7 +39,7 @@ export const _test_http_validateFormData =
           `Bug on typia.http.validateFormData(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_http_validateHeaders.ts b/test/src/internal/_test_http_validateHeaders.ts
index 1f6605ba13..56a11e3554 100644
--- a/test/src/internal/_test_http_validateHeaders.ts
+++ b/test/src/internal/_test_http_validateHeaders.ts
@@ -22,6 +22,7 @@ export const _test_http_validateHeaders =
       throw new Error(
         `Bug on typia.http.validateHeaders(): failed to understand ${name} type.`,
       );
+    typia.assertEquals<typia.IValidation.ISuccess<unknown>>(result);
 
     const equal: boolean =
       result !== null && resolved_equal_to(name)(data, result.data);
@@ -43,7 +44,7 @@ export const _test_http_validateHeaders =
           `Bug on typia.http.validateHeaders(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_http_validateQuery.ts b/test/src/internal/_test_http_validateQuery.ts
index 3584dddaee..60e6a2bdb1 100644
--- a/test/src/internal/_test_http_validateQuery.ts
+++ b/test/src/internal/_test_http_validateQuery.ts
@@ -17,6 +17,7 @@ export const _test_http_validateQuery =
       throw new Error(
         `Bug on typia.http.validateQuery(): failed to understand ${name} type.`,
       );
+    typia.assertEquals<typia.IValidation.ISuccess<unknown>>(result);
 
     const equal: boolean =
       result !== null && resolved_equal_to(name)(data, result.data);
@@ -38,7 +39,7 @@ export const _test_http_validateQuery =
           `Bug on typia.http.validateQuery(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_json_validateParse.ts b/test/src/internal/_test_json_validateParse.ts
index 4abcf90f34..d571eb2e21 100644
--- a/test/src/internal/_test_json_validateParse.ts
+++ b/test/src/internal/_test_json_validateParse.ts
@@ -23,6 +23,7 @@ export const _test_json_validateParse =
         `Bug on typia.json.validateParse(): failed to understand the ${name} type.`,
       );
     }
+    typia.assertEquals<IValidation.ISuccess<unknown>>(valid);
 
     const wrong: ISpoiled[] = [];
     for (const spoil of factory.SPOILERS ?? []) {
diff --git a/test/src/internal/_test_json_validateStringify.ts b/test/src/internal/_test_json_validateStringify.ts
index a4c8f50d16..54d908c5d6 100644
--- a/test/src/internal/_test_json_validateStringify.ts
+++ b/test/src/internal/_test_json_validateStringify.ts
@@ -15,6 +15,7 @@ export const _test_json_validateStringify =
         `Bug on typia.json.validateStringify(): failed to understand the ${name} type.`,
       );
 
+    typia.assertEquals(valid);
     if (predicate(input, valid.data) === false) {
       throw new Error(
         `Bug on typia.json.validateStringify(): failed to understand the ${name} type.`,
@@ -32,7 +33,7 @@ export const _test_json_validateStringify =
           `Bug on typia.json.validateStringify(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_misc_validateClone.ts b/test/src/internal/_test_misc_validateClone.ts
index 635b18211f..3b60b9fdc5 100644
--- a/test/src/internal/_test_misc_validateClone.ts
+++ b/test/src/internal/_test_misc_validateClone.ts
@@ -15,6 +15,7 @@ export const _test_misc_validateClone =
         `Bug on typia.misc.validateClone(): failed to understand the ${name} type.`,
       );
 
+    typia.assertEquals<typia.IValidation.ISuccess<unknown>>(valid);
     if (resolved_equal_to(name)(input, valid.data) === false) {
       throw new Error(
         `Bug on typia.misc.validateClone(): failed to understand the ${name} type.`,
@@ -32,7 +33,7 @@ export const _test_misc_validateClone =
           `Bug on typia.misc.validateClone(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_misc_validatePrune.ts b/test/src/internal/_test_misc_validatePrune.ts
index f06c9cb485..34b1a36165 100644
--- a/test/src/internal/_test_misc_validatePrune.ts
+++ b/test/src/internal/_test_misc_validatePrune.ts
@@ -1,4 +1,4 @@
-import { IValidation, assert } from "typia";
+import { IValidation, assertEquals } from "typia";
 
 import { TestStructure } from "../helpers/TestStructure";
 
@@ -45,7 +45,7 @@ export const _test_misc_validatePrune =
           `Bug on typia.misc.validatePrune(): failed to detect error on the ${name} type.`,
         );
 
-      assert(valid);
+      assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_notation_validateGeneral.ts b/test/src/internal/_test_notation_validateGeneral.ts
index 15215dd3e4..2574a7245c 100644
--- a/test/src/internal/_test_notation_validateGeneral.ts
+++ b/test/src/internal/_test_notation_validateGeneral.ts
@@ -1,4 +1,4 @@
-import { IValidation } from "typia";
+import typia, { IValidation } from "typia";
 
 import { TestStructure } from "../helpers/TestStructure";
 import { _test_notation_general } from "./_test_notation_general";
@@ -19,6 +19,7 @@ export const _test_notation_validateGeneral =
           throw new Error(
             `Bug on typia.notations.validateX(): failed to understand the ${name} type.`,
           );
+        typia.assertEquals<IValidation.ISuccess<unknown>>(res);
         return res.data;
       },
     })();
@@ -34,6 +35,7 @@ export const _test_notation_validateGeneral =
           `Bug on typia.notations.validateX(): failed to detect error on the ${name} type.`,
         );
 
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_protobuf_validateDecode.ts b/test/src/internal/_test_protobuf_validateDecode.ts
index 89918c1585..60e26fc4f8 100644
--- a/test/src/internal/_test_protobuf_validateDecode.ts
+++ b/test/src/internal/_test_protobuf_validateDecode.ts
@@ -1,4 +1,4 @@
-import typia from "typia";
+import typia, { IValidation } from "typia";
 
 import { _test_protobuf_decode } from "./_test_protobuf_decode";
 
@@ -14,6 +14,7 @@ export const _test_protobuf_validateDecode =
       decode: (input) => {
         const result = functor.decode(input);
         if (!result.success) throw new Error();
+        typia.assertEquals<IValidation.ISuccess<unknown>>(result);
         return result.data;
       },
       encode: functor.encode,
diff --git a/test/src/internal/_test_protobuf_validateEncode.ts b/test/src/internal/_test_protobuf_validateEncode.ts
index d0b4aa42de..bafdb651c4 100644
--- a/test/src/internal/_test_protobuf_validateEncode.ts
+++ b/test/src/internal/_test_protobuf_validateEncode.ts
@@ -18,6 +18,7 @@ export const _test_protobuf_validateEncode =
       encode: (input: T) => {
         const result: typia.IValidation<Uint8Array> = functor.encode(input);
         if (!result.success) throw new Error();
+        typia.assertEquals(result);
         return result.data;
       },
     })();
@@ -33,7 +34,7 @@ export const _test_protobuf_validateEncode =
           `Bug on typia.json.validateEncode(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_validate.ts b/test/src/internal/_test_validate.ts
index ed55489c45..7b2bd5a02f 100644
--- a/test/src/internal/_test_validate.ts
+++ b/test/src/internal/_test_validate.ts
@@ -17,7 +17,7 @@ export const _test_validate =
       throw new Error(
         "Bug on typia.validate(): failed to archive the input value.",
       );
-    typia.assert(valid);
+    typia.assertEquals(valid);
 
     const wrong: ISpoiled[] = [];
     for (const spoil of factory.SPOILERS ?? []) {
@@ -30,7 +30,7 @@ export const _test_validate =
           `Bug on typia.validate(): failed to detect error on the ${name} type.`,
         );
 
-      typia.assert(valid);
+      typia.assertEquals(valid);
       expected.sort();
       valid.errors.sort((x, y) => (x.path < y.path ? -1 : 1));
 
diff --git a/test/src/internal/_test_validateEquals.ts b/test/src/internal/_test_validateEquals.ts
index f15a30ccf1..ef4a06da40 100644
--- a/test/src/internal/_test_validateEquals.ts
+++ b/test/src/internal/_test_validateEquals.ts
@@ -21,7 +21,7 @@ export const _test_validateEquals =
       throw new Error(
         "Bug on typia.validateEquals(): failed to archive the input value.",
       );
-    typia.assert(valid);
+    typia.assertEquals(valid);
     if (factory.ADDABLE === false) return;
 
     // EXPECTED