Improve memory test

Author: JoshuaBehrens

tests/set_memory_limit_001.phpt

@@ -13,20 +13,23 @@ if (getenv("SKIP_SLOW_TESTS")) {
 
 $JS = <<< EOT
 var jsfunc = function() {
-    var text = "abcdefghijklmnopqrstuvwyxz0123456789";
+    var text = "abcdefghijklmnopqrstuvwyxz0123456789"; // 36 bytes
     var memory = "";
-    for (var i = 0; i < 100; ++i) {
-	for (var j = 0; j < 10000; ++j) {
+    // should generate 360 MB
+    for (var i = 0; i < 10_000; ++i) {
+        for (var j = 0; j < 1000; ++j) {
             memory += text;
-	}
-	sleep(0);
+        }
+    	sleep(0);
     }
+
+    return memory;
 };
 jsfunc;
 EOT;
 
 $v8 = new V8Js();
-$v8->setMemoryLimit(10000000);
+$v8->setMemoryLimit(10_000_000);
 
 $func = $v8->executeString($JS);
 var_dump($func);

tests/set_memory_limit_002.phpt

@@ -0,0 +1,46 @@
+--TEST--
+Test V8::setMemoryLimit() : Memory limit can be set but does not trigger when not exceeded
+--SKIPIF--
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+
+if (getenv("SKIP_SLOW_TESTS")) {
+	die("skip slow test");
+}
+?>
+--FILE--
+<?php
+
+$JS = <<< EOT
+var jsfunc = function() {
+    var text = "abcdefghijklmnopqrstuvwyxz0123456789";
+    var memory = "";
+    // should generate ~ 800 kB
+    for (var i = 0; i < 22; ++i) {
+        for (var j = 0; j < 1000; ++j) {
+            memory += text;
+        }
+        sleep(0);
+    }
+};
+jsfunc;
+EOT;
+
+$v8 = new V8Js();
+$v8->setMemoryLimit(10_000_000);
+
+$func = $v8->executeString($JS);
+var_dump($func);
+
+try {
+    $func();
+} catch (V8JsMemoryLimitException $e) {
+    print get_class($e); print PHP_EOL;
+    print $e->getMessage(); print PHP_EOL;
+}
+?>
+===EOF===
+--EXPECTF--
+object(V8Function)#%d (0) {
+}
+===EOF===

tests/set_memory_limit_003.phpt

@@ -14,22 +14,25 @@ if (getenv("SKIP_SLOW_TESTS")) {
 $JS = <<< EOT
 var jsfunc = function() {
     PHP.imposeMemoryLimit();
-    var text = "abcdefghijklmnopqrstuvwyxz0123456789";
+    var text = "abcdefghijklmnopqrstuvwyxz0123456789"; // 36 bytes
     var memory = "";
-    for (var i = 0; i < 100; ++i) {
-	for (var j = 0; j < 10000; ++j) {
+    // should generate 360 MB
+    for (var i = 0; i < 10_000; ++i) {
+        for (var j = 0; j < 1000; ++j) {
             memory += text;
-	}
-	sleep(0);
+        }
+        sleep(0);
     }
+
+    return memory;
 };
 jsfunc;
 EOT;
 
 $v8 = new V8Js();
 
 $v8->imposeMemoryLimit = function() use ($v8) {
-    $v8->setMemoryLimit(10000000);
+    $v8->setMemoryLimit(10_000_000);
 };
 
 $func = $v8->executeString($JS);