Add: More NormalizedJsonPath equality tests

Author: acrusage-iaik

jsonpath4k/src/commonTest/kotlin/at/asitplus/jsonpath/core/NormalizedJsonPathTest.kt

@@ -1,14 +1,33 @@
 package at.asitplus.jsonpath.core
 
+import io.kotest.matchers.maps.shouldHaveSize
 import io.kotest.matchers.shouldBe
+import io.kotest.matchers.shouldNot
+import io.kotest.matchers.shouldNotBe
 import kotlin.test.Test
 
 @Suppress("unused")
 class NormalizedJsonPathTest {
     @Test
-    fun equivalence() {
+    fun equality() {
         NormalizedJsonPath() shouldBe NormalizedJsonPath()
         NormalizedJsonPath("name") shouldBe NormalizedJsonPath() + "name"
         NormalizedJsonPath(1) shouldBe NormalizedJsonPath() + 1u
+
+        mapOf(
+            NormalizedJsonPath() to "1",
+            NormalizedJsonPath() to "2",
+        ) shouldHaveSize 1
+    }
+    @Test
+    fun inequality() {
+        NormalizedJsonPath(1) shouldNotBe NormalizedJsonPath()
+        NormalizedJsonPath(1) shouldNotBe NormalizedJsonPath() + "1"
+        NormalizedJsonPath(1) shouldNotBe NormalizedJsonPath() + 2
+        NormalizedJsonPath("1") shouldNotBe NormalizedJsonPath()
+        NormalizedJsonPath("1") shouldNotBe NormalizedJsonPath() + "2"
+        NormalizedJsonPath("1") shouldNotBe NormalizedJsonPath() + 1
+        NormalizedJsonPath() shouldNotBe NormalizedJsonPath() + "1"
+        NormalizedJsonPath() shouldNotBe NormalizedJsonPath() + 1
     }
 }