Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/mjsunit/wasm/function-names.js b/test/mjsunit/wasm/function-names.js
new file mode 100644
index 0000000..15771d8
--- /dev/null
+++ b/test/mjsunit/wasm/function-names.js
@@ -0,0 +1,69 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-wasm
+
+load("test/mjsunit/wasm/wasm-constants.js");
+load("test/mjsunit/wasm/wasm-module-builder.js");
+
+var builder = new WasmModuleBuilder();
+
+var last_func_index = builder.addFunction("exec_unreachable", kSig_v_v)
+ .addBody([kExprUnreachable])
+
+var illegal_func_name = [0xff];
+var func_names = [ "☠", illegal_func_name, "some math: (½)² = ¼", "" ];
+var expected_names = ["exec_unreachable", "☠", null,
+ "some math: (½)² = ¼", "", "main"];
+
+for (var func_name of func_names) {
+ last_func_index = builder.addFunction(func_name, kSig_v_v)
+ .addBody([kExprCallFunction, kArity0, last_func_index]).index;
+}
+
+builder.addFunction("main", kSig_v_v)
+ .addBody([kExprCallFunction, kArity0, last_func_index])
+ .exportFunc();
+
+var module = builder.instantiate();
+
+(function testFunctionNamesAsString() {
+ var names = expected_names.concat(["testFunctionNamesAsString", null]);
+ try {
+ module.exports.main();
+ assertFalse("should throw");
+ } catch (e) {
+ var lines = e.stack.split(/\r?\n/);
+ lines.shift();
+ assertEquals(names.length, lines.length);
+ for (var i = 0; i < names.length; ++i) {
+ var line = lines[i].trim();
+ if (names[i] === null) continue;
+ var printed_name = names[i] === undefined ? "<WASM UNNAMED>" : names[i]
+ var expected_start = "at " + printed_name + " (";
+ assertTrue(line.startsWith(expected_start),
+ "should start with '" + expected_start + "': '" + line + "'");
+ }
+ }
+})();
+
+// For the remaining tests, collect the Callsite objects instead of just a
+// string:
+Error.prepareStackTrace = function(error, frames) {
+ return frames;
+};
+
+
+(function testFunctionNamesAsCallSites() {
+ var names = expected_names.concat(["testFunctionNamesAsCallSites", null]);
+ try {
+ module.exports.main();
+ assertFalse("should throw");
+ } catch (e) {
+ assertEquals(names.length, e.stack.length);
+ for (var i = 0; i < names.length; ++i) {
+ assertEquals(names[i], e.stack[i].getFunctionName());
+ }
+ }
+})();