Add gc() calls to some tests to please valgrind.

Review URL: http://codereview.chromium.org/4116005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5724 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/execution.cc

@@ -797,6 +797,7 @@ v8::Handle<v8::Value> ExternalizeStringExtension::Externalize(
     if (result && !string->IsSymbol()) {
       i::ExternalStringTable::AddString(*string);
     }
+    if (!result) delete resource;
   } else {
     uc16* data = new uc16[string->length()];
     String::WriteToFlat(*string, data, 0, string->length());
@@ -806,6 +807,7 @@ v8::Handle<v8::Value> ExternalizeStringExtension::Externalize(
     if (result && !string->IsSymbol()) {
       i::ExternalStringTable::AddString(*string);
     }
+    if (!result) delete resource;
   }
   if (!result) {
     return v8::ThrowException(v8::String::New("externalizeString() failed."));

test/mjsunit/string-externalize.js

@@ -25,7 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --expose-externalize-string
+// Flags: --expose-externalize-string --expose-gc
 
 var size = 1024;
 
@@ -93,3 +93,7 @@ function test() {
 for (var i = 0; i < 10; i++) {
   test();
 }
+
+// Clean up string to make Valgrind happy.
+gc();
+gc();

test/mjsunit/string-replace-with-empty.js

@@ -25,33 +25,45 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --expose-externalize-string
+// Flags: --expose-externalize-string --expose-gc
 
-assertEquals("0123", "aa0bb1cc2dd3".replace(/[a-z]/g, ""));
-assertEquals("0123", "\u1234a0bb1cc2dd3".replace(/[\u1234a-z]/g, ""));
+function test() {
+  assertEquals("0123", "aa0bb1cc2dd3".replace(/[a-z]/g, ""));
+  assertEquals("0123", "\u1234a0bb1cc2dd3".replace(/[\u1234a-z]/g, ""));
 
-var expected = "0123";
-var cons = "a0b1c2d3";
-for (var i = 0; i < 5; i++) {
-  expected += expected;
-  cons += cons;
-}
-assertEquals(expected, cons.replace(/[a-z]/g, ""));
-cons = "\u12340b1c2d3";
-for (var i = 0; i < 5; i++) {
-  cons += cons;
-}
-assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
+  var expected = "0123";
+  var cons = "a0b1c2d3";
+  for (var i = 0; i < 5; i++) {
+    expected += expected;
+    cons += cons;
+  }
+  assertEquals(expected, cons.replace(/[a-z]/g, ""));
+  cons = "\u12340b1c2d3";
+  for (var i = 0; i < 5; i++) {
+    cons += cons;
+  }
+  assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
 
-cons = "a0b1c2d3";
-for (var i = 0; i < 5; i++) {
-  cons += cons;
-}
-externalizeString(cons, true/* force two-byte */);
-assertEquals(expected, cons.replace(/[a-z]/g, ""));
-cons = "\u12340b1c2d3";
-for (var i = 0; i < 5; i++) {
-  cons += cons;
+  cons = "a0b1c2d3";
+  for (var i = 0; i < 5; i++) {
+    cons += cons;
+  }
+  externalizeString(cons, true/* force two-byte */);
+  assertEquals(expected, cons.replace(/[a-z]/g, ""));
+  cons = "\u12340b1c2d3";
+  for (var i = 0; i < 5; i++) {
+    cons += cons;
+  }
+  externalizeString(cons);
+  assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
 }
-externalizeString(cons);
-assertEquals(expected, cons.replace(/[\u1234a-z]/g, ""));
+
+test();
+
+// Clear the regexp cache to allow the GC to work.
+"foo".replace(/foo/g, "");
+
+// GC in order to free up things on the C side so we don't get
+// a memory leak.  This makes valgrind happy.
+gc();
+gc();