[Wasm] Remove unnecessary testHelpers and add assertions from stdlib

libraries/stdlib/wasm/src/kotlin/Assertions.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package kotlin
+
+// TODO: Make this dependant on the compiler flag (like -ea on JVM)
+
+/**
+ * Throws an [AssertionError] if the [value] is false.
+ */
+@kotlin.internal.InlineOnly
+public inline fun assert(value: Boolean) {
+    assert(value) { "Assertion failed" }
+}
+
+/**
+ * Throws an [AssertionError] calculated by [lazyMessage] if the [value] is false.
+ */
+@kotlin.internal.InlineOnly
+public inline fun assert(value: Boolean, lazyMessage: () -> Any) {
+    if (!value) {
+        val message = lazyMessage()
+        throw AssertionError(message)
+    }
+}

libraries/stdlib/wasm/stubs/testHelpers.kt

@@ -8,20 +8,7 @@ package kotlin.test
 import kotlin.internal.InlineOnly
 import kotlin.internal.OnlyInputTypes
 
-public fun assert(x: Boolean) {
-    if (!x) throw AssertionError("Assertion failed")
-}
-
-/** Asserts that the [expected] value is equal to the [actual] value, with an optional [message]. */
-public fun <@OnlyInputTypes T> assertEquals(expected: T, actual: T, message: String? = null) {
-    if (expected != actual) throw AssertionError("assertEquals failed: expected:$expected, actual:$actual, message=$message")
-}
-
-/** Asserts that the [actual] value is not equal to the illegal value, with an optional [message]. */
-public fun <@OnlyInputTypes T> assertNotEquals(illegal: T, actual: T, message: String? = null) {
-    if (illegal == actual) throw AssertionError("assertNotEquals failed: illegal:$illegal, actual:$actual, message=$message")
-}
-
+// TODO: Remove this once we support CLASS_REFERENCE IR node
 @InlineOnly
 public inline fun <reified T : Throwable> assertFailsWith(message: String? = null, block: () -> Unit): T {
     var throwable: Throwable? = null
@@ -32,5 +19,3 @@ public inline fun <reified T : Throwable> assertFailsWith(message: String? = nul
     }
     return throwable as? T ?: throw AssertionError("assertFailsWith failed: $message")
 }
-
-public fun assertTrue(x: Boolean) = assert(x)

libraries/stdlib/wasm/stubs/testHelpers2.kt

@@ -1,17 +0,0 @@
-/*
- * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package kotlin
-
-import kotlin.internal.OnlyInputTypes
-
-public fun assert(x: Boolean) {
-    if (!x) throw AssertionError("Assertion failed")
-}
-
-/** Asserts that the [expected] value is equal to the [actual] value, with an optional [message]. */
-public fun <@OnlyInputTypes T> assertEquals(expected: T, actual: T, message: String? = null) {
-    if (expected != actual) throw AssertionError("assertEquals failed: expected:$expected, actual:$actual, message=$message")
-}