[wasm] Fix GrowingVsFixedModule test

This test was not adapted for the jump table yet.

R=mstarzinger@chromium.org

Bug: v8:7867
Change-Id: Ifd03899b0757972525dcc54f04949635d03fa493
Reviewed-on: https://chromium-review.googlesource.com/1107624
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53878}

test/unittests/wasm/wasm-code-manager-unittest.cc

@@ -141,6 +141,17 @@ TEST_F(DisjointAllocationPoolTest, MergingSkipLargerSrcWithGap) {
 
 enum ModuleStyle : int { Fixed = 0, Growable = 1 };
 
+std::string PrintWasmCodeManageTestParam(
+    ::testing::TestParamInfo<ModuleStyle> info) {
+  switch (info.param) {
+    case Fixed:
+      return "Fixed";
+    case Growable:
+      return "Growable";
+  }
+  UNREACHABLE();
+}
+
 class WasmCodeManagerTest : public TestWithContext,
                             public ::testing::WithParamInterface<ModuleStyle> {
  public:
@@ -174,7 +185,8 @@ class WasmCodeManagerTest : public TestWithContext,
 };
 
 INSTANTIATE_TEST_CASE_P(Parameterized, WasmCodeManagerTest,
-                        ::testing::Values(Fixed, Growable));
+                        ::testing::Values(Fixed, Growable),
+                        PrintWasmCodeManageTestParam);
 
 TEST_P(WasmCodeManagerTest, EmptyCase) {
   WasmCodeManager manager(0 * page());
@@ -238,11 +250,18 @@ TEST_P(WasmCodeManagerTest, DifferentHeapsApplyLimitsIndependently) {
 TEST_P(WasmCodeManagerTest, GrowingVsFixedModule) {
   WasmCodeManager manager(3 * page());
   NativeModulePtr nm = AllocModule(&manager, 1 * page(), GetParam());
+  size_t module_size = GetParam() == Fixed ? kMaxWasmCodeMemory : 1 * page();
+  size_t remaining_space_in_module = module_size - kJumpTableSize;
   if (GetParam() == Fixed) {
-    ASSERT_DEATH_IF_SUPPORTED(AddCode(nm.get(), 0, kMaxWasmCodeMemory + 1),
-                              "OOM in NativeModule::AddOwnedCode");
+    // Requesting more than the remaining space fails because the module cannot
+    // grow.
+    ASSERT_DEATH_IF_SUPPORTED(
+        AddCode(nm.get(), 0, remaining_space_in_module + kCodeAlignment),
+        "OOM in NativeModule::AddOwnedCode");
   } else {
-    CHECK_NOT_NULL(AddCode(nm.get(), 0, 1 * page() + kCodeAlignment));
+    // The module grows by one page. One page remains uncommitted.
+    CHECK_NOT_NULL(
+        AddCode(nm.get(), 0, remaining_space_in_module + kCodeAlignment));
     CHECK_EQ(manager.remaining_uncommitted_code_space(), 1 * page());
   }
 }