diff --git a/backend.native/tests/testUtils.kt b/backend.native/tests/testUtils.kt
index 4c26a3c16e7..9280f76adf4 100644
--- a/backend.native/tests/testUtils.kt
+++ b/backend.native/tests/testUtils.kt
@@ -2,4 +2,16 @@ package kotlin.test
 
 class TestFailedException(val msg:String):RuntimeException(msg)
 
-fun <T> assertEquals(a:T, b:T, msg:String = "") { if (a != b) throw TestFailedException(msg) }
\ No newline at end of file
+fun <T> assertEquals(a:T, b:T, msg:String = "") { if (a != b) throw TestFailedException(msg) }
+
+/** Asserts that the expression is `true` with an optional [message]. */
+fun assertTrue(actual: Boolean, message: String? = null) {
+    if (actual != true) {
+        throw TestFailedException(message ?: "Expected value to be true.")
+    }
+}
+
+/** Asserts that the expression is `false` with an optional [message]. */
+fun assertFalse(actual: Boolean, message: String? = null) {
+    assertTrue(!actual, message ?: "Expected value to be false.")
+}