Implement interpretation of assert method

compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/intrinsics/IntrinsicEvaluator.kt

@@ -23,6 +23,7 @@ internal class IntrinsicEvaluator {
             JsPrimitives.equalTo(irFunction) -> JsPrimitives.evaluate(irFunction, stack, interpret)
             ArrayConstructor.equalTo(irFunction) -> ArrayConstructor.evaluate(irFunction, stack, interpret)
             SourceLocation.equalTo(irFunction) -> SourceLocation.evaluate(irFunction, stack, interpret)
+            AssertIntrinsic.equalTo(irFunction) -> AssertIntrinsic.evaluate(irFunction, stack, interpret)
             else -> throw InterpreterMethodNotFoundError("Method ${irFunction.name} hasn't implemented")
         }
     }

compiler/ir/ir.interpreter/src/org/jetbrains/kotlin/ir/interpreter/intrinsics/IntrinsicImplementations.kt

@@ -205,4 +205,25 @@ internal object SourceLocation : IntrinsicBase() {
         stack.pushReturnValue(stack.getCurrentStackInfo().toState(irFunction.returnType))
         return Next
     }
+}
+
+internal object AssertIntrinsic : IntrinsicBase() {
+    override fun equalTo(irFunction: IrFunction): Boolean {
+        val fqName = irFunction.fqNameWhenAvailable.toString()
+        return fqName == "kotlin.PreconditionsKt.assert"
+    }
+
+    override fun evaluate(irFunction: IrFunction, stack: Stack, interpret: IrElement.() -> ExecutionResult): ExecutionResult {
+        val value = stack.getVariable(irFunction.valueParameters.first().symbol).state.asBoolean()
+        when (irFunction.valueParameters.size) {
+            1 -> if (!value) AssertionError("Assertion failed").throwAsUserException()
+            2 -> if (!value) {
+                val messageLambda = stack.getVariable(irFunction.valueParameters.last().symbol).state as KFunctionState
+                stack.newFrame(asSubFrame = true) { messageLambda.irFunction.body!!.interpret() }
+                    .check(ReturnLabel.RETURN) { return it }
+                AssertionError(stack.popReturnValue().asString()).throwAsUserException()
+            }
+        }
+        return Next
+    }
 }