New MPP highlighting test: add test without errors (KT-27494)

idea/idea-gradle/tests/org/jetbrains/kotlin/gradle/GradleMultiplatformHighlightingTest.kt

@@ -30,6 +30,12 @@ class GradleMultiplatformHighlightingTest : GradleImportingTestCase() {
         doTest()
     }
 
+    @TargetVersions("4.7+")
+    @Test
+    fun testNoErrors() {
+        doTest()
+    }
+
     private fun doTest() {
         val files = importProjectFromTestData()
         val project = myTestFixture.project

idea/testData/gradle/newMultiplatformHighlighting/noErrors/build.gradle

@@ -0,0 +1,32 @@
+// NO_ERRORS_EXPECTED
+
+plugins {
+    id 'kotlin-multiplatform' version '1.3.0'
+}
+repositories {
+    mavenCentral()
+    jcenter()
+}
+kotlin {
+    targets {
+        fromPreset(presets.jvm, 'jvm')
+        fromPreset(presets.js, 'js')
+    }
+    sourceSets {
+        commonMain {
+            dependencies {
+                implementation 'org.jetbrains.kotlin:kotlin-stdlib-common'
+            }
+        }
+        jvmMain {
+            dependencies {
+                implementation 'org.jetbrains.kotlin:kotlin-stdlib-jdk8'
+            }
+        }
+        jsMain {
+            dependencies {
+                implementation 'org.jetbrains.kotlin:kotlin-stdlib-js'
+            }
+        }
+    }
+}

idea/testData/gradle/newMultiplatformHighlighting/noErrors/settings.gradle

@@ -0,0 +1,18 @@
+pluginManagement {
+    resolutionStrategy {
+        eachPlugin {
+            if (requested.id.id == "kotlin-multiplatform") {
+                useModule("org.jetbrains.kotlin:kotlin-gradle-plugin:${requested.version}")
+            }
+        }
+    }
+
+    repositories {
+        mavenCentral()
+
+        maven { url 'https://plugins.gradle.org/m2/' }
+
+        jcenter()
+    }
+}
+rootProject.name = 'first'

idea/testData/gradle/newMultiplatformHighlighting/noErrors/src/commonMain/kotlin/My.kt

@@ -0,0 +1,3 @@
+expect class <lineMarker><lineMarker>My</lineMarker></lineMarker> {
+    fun <lineMarker><lineMarker>foo</lineMarker></lineMarker>()
+}

idea/testData/gradle/newMultiplatformHighlighting/noErrors/src/jsMain/kotlin/My.kt

@@ -0,0 +1,3 @@
+actual class <lineMarker>My</lineMarker> {
+    actual fun <lineMarker>foo</lineMarker>() {}
+}

idea/testData/gradle/newMultiplatformHighlighting/noErrors/src/jvmMain/kotlin/My.kt

@@ -0,0 +1,3 @@
+actual class <lineMarker>My</lineMarker> {
+    actual fun <lineMarker>foo</lineMarker>() {}
+}