[WASM] Support nullable types for external functions

2022-09-13 20:37:06 +02:00
parent dc57ccdf76
commit 081cd4a4a8
8 changed files with 519 additions and 24 deletions
@@ -37,6 +37,16 @@ external fun getJsNullAsNonNullable(): EI
@JsFun("() => undefined")
 external fun getJsUndefinedAsNonNullable(): EI

+inline fun checkNPE(body: () -> Unit) {
+    var throwed = false
+    try {
+        body()
+    } catch (e: NullPointerException) {
+        throwed = true
+    }
+    assertTrue(throwed)
+}
+
 fun box(): String {
    val jsNull = getNull()
    val jsUndefined = getUndefined()
@@ -55,11 +65,8 @@ fun box(): String {
    assertFalse(isJsUndefined(null))
    assertTrue(isJsUndefined(jsUndefined))

-    // TODO: Should these fail?
-    val n2 = getJsNullAsNonNullable()
-    val ud2 = getJsUndefinedAsNonNullable()
-    assertTrue(isJsNull(n2))
-    assertTrue(isJsUndefined(ud2))
+    checkNPE(::getJsNullAsNonNullable)
+    checkNPE(::getJsUndefinedAsNonNullable)

    return "OK"
 }