[Gradle, JS] Add invert test

^KT-41054 fixed

libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/NpmRangeTest.kt

@@ -10,6 +10,31 @@ import kotlin.test.assertTrue
 
 
 class NpmRangeTest {
+    @Test
+    fun rangeInvertTest() {
+        fun assertInvert(invertible: NpmRange, expected: List<NpmRange>) {
+            val invert = invertible.invert()
+            assertTrue("Inverted $invertible should be $expected but found $invert") {
+                invert == expected
+            }
+        }
+
+        assertInvert(npmRange(), emptyList())
+
+        assertInvert(npmRange(endMajor = 1), listOf(npmRange(startMajor = 1, startInclusive = true)))
+        assertInvert(npmRange(startMajor = 1), listOf(npmRange(endMajor = 1, endInclusive = true)))
+        assertInvert(npmRange(endMajor = 1, endInclusive = true), listOf(npmRange(startMajor = 1)))
+        assertInvert(npmRange(startMajor = 1, startInclusive = true), listOf(npmRange(endMajor = 1)))
+
+        assertInvert(
+            npmRange(startMajor = 1, endMajor = 2),
+            listOf(
+                npmRange(endMajor = 1, endInclusive = true),
+                npmRange(startMajor = 2, startInclusive = true)
+            )
+        )
+    }
+
     @Test
     fun hasIntersectionTest() {
         fun assertHasIntersection(range1: NpmRange, range2: NpmRange) =