log awaitIdle time

Author: eymar

compose/ui/ui/src/webTest/kotlin/androidx/compose/ui/OnCanvasTests.kt

@@ -28,6 +28,7 @@ import kotlin.test.AfterTest
 import kotlin.test.BeforeTest
 import kotlin.test.assertEquals
 import kotlin.test.assertTrue
+import kotlin.time.measureTime
 import kotlinx.browser.document
 import kotlinx.browser.window
 import kotlinx.coroutines.CoroutineScope
@@ -174,19 +175,19 @@ internal class WebApplicationScope(
 ) : CoroutineScope by CoroutineScope(scope.coroutineContext + Job()) {
     private val initialRecomposers = Recomposer.runningRecomposers.value
 
-    suspend fun awaitIdle() {
+    suspend fun awaitIdle(): Unit = measureTime {
         awaitWithYield()
 
         Snapshot.sendApplyNotifications()
 
-        for (recomposerInfo in Recomposer.runningRecomposers.value - initialRecomposers) {
+        val recomposers = Recomposer.runningRecomposers.value - initialRecomposers
+        println("Recomposers count: ${recomposers.size}\n")
+        for (recomposerInfo in recomposers) {
             recomposerInfo.state.takeWhile { it > Recomposer.State.Idle }.collect()
         }
 
         awaitWithYield()
-
-        awaitAnimationFrame()
-    }
+    }.let { println("Total awaitIdle time: $it\n") }
 
     /**
      * awaitAnimationFrame is needed for text input tests,

compose/ui/ui/src/webTest/kotlin/androidx/compose/ui/platform/a11y/CfWA11YTest.kt

@@ -41,6 +41,7 @@ import kotlin.test.assertNotEquals
 import kotlin.test.assertNotNull
 import kotlin.test.assertNull
 import kotlin.test.assertTrue
+import kotlin.time.measureTime
 import kotlinx.browser.document
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -230,19 +231,20 @@ class CfWA11YTest : OnCanvasTests {
                 }
             }
         }
+        suspend fun realDelay(timeMs: Long) {
+            withContext(Dispatchers.Default) {
+                delay(timeMs)
+            }
+        }
 
         awaitIdle()
+
         val a11yContainer = getA11YContainer()!!
 
         println("making first assets at ${currentTimeMillis()}\n")
         assertEquals("",a11yContainer.innerHTML, "No A11Y tree expected yet. Too early. Time = ${currentTimeMillis()}")
         assertEquals(0,a11yContainer.childElementCount, "No A11Y tree expected yet. Too early.")
 
-        suspend fun realDelay(timeMs: Long) {
-            withContext(Dispatchers.Default) {
-                delay(timeMs)
-            }
-        }
 
         repeat(20) {
             show1 = !show1