3596cac87e
Empty function names are allowed and are output as such, unnamed functions or functions with no valid UTF-8 name are output as "<WASM UNNAMED>", while the CallSite object returns null as the function name. R=titzer@chromium.org, yangguo@chromium.org Review-Url: https://codereview.chromium.org/1970503004 Cr-Commit-Position: refs/heads/master@{#36348}
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
// 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());
|
|
}
|
|
}
|
|
})();
|