v8/test/mjsunit/wasm/streaming-error-position.js
Clemens Hammacher 15a621a2f9 [wasm][test] Check streaming decoder error messages
In the wasm streaming decoder error position test, do also check the
error messages generated. This revealed messages that were not quite
fitting and some that were formatted differently than the majority.

R=ahaas@chromium.org

Bug: v8:8814
Change-Id: If157f1083a104413bf14797ac56e756baac98c17
Reviewed-on: https://chromium-review.googlesource.com/c/1463780
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59604}
2019-02-14 16:06:43 +00:00

369 lines
11 KiB
JavaScript

// Copyright 2017 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: --wasm-test-streaming --expose-wasm
'use strict';
load('test/mjsunit/wasm/wasm-module-builder.js');
function module(bytes) {
let buffer = bytes;
if (typeof buffer === 'string') {
buffer = new ArrayBuffer(bytes.length);
let view = new Uint8Array(buffer);
for (let i = 0; i < bytes.length; ++i) {
view[i] = bytes.charCodeAt(i);
}
}
return new WebAssembly.Module(buffer);
}
function toBuffer(binary) {
let buffer = new ArrayBuffer(binary.length);
let view = new Uint8Array(buffer);
for (let i = 0; i < binary.length; i++) {
let val = binary[i];
if ((typeof val) == 'string') val = val.charCodeAt(0);
view[i] = val | 0;
}
return buffer;
}
function testErrorPosition(bytes, pos, test_name) {
assertThrowsAsync(
WebAssembly.compile(toBuffer(bytes)), WebAssembly.CompileError,
new RegExp('@\\+' + pos));
}
(function testInvalidMagic() {
let bytes = new Binary;
bytes.push(
kWasmH0, kWasmH1 + 1, kWasmH2, kWasmH3, kWasmV0, kWasmV1, kWasmV2,
kWasmV3);
// Error at pos==0 because that's where the magic word is.
testErrorPosition(bytes, 0, 'testInvalidMagic');
})();
(function testInvalidVersion() {
let bytes = new Binary;
bytes.push(
kWasmH0, kWasmH1, kWasmH2, kWasmH3, kWasmV0, kWasmV1 + 1, kWasmV2,
kWasmV3);
// Error at pos==4 because that's where the version word is.
testErrorPosition(bytes, 4, 'testInvalidVersion');
})();
(function testSectionLengthInvalidVarint() {
let bytes = new Binary;
bytes.emit_header();
bytes.emit_u8(kTypeSectionCode);
bytes.push(0x80, 0x80, 0x80, 0x80, 0x80, 0x00);
let pos = bytes.length - 1 - 1;
testErrorPosition(bytes, pos, 'testSectionLengthInvalidVarint');
})();
(function testSectionLengthTooBig() {
let bytes = new Binary;
bytes.emit_header();
bytes.emit_u8(kTypeSectionCode);
bytes.emit_u32v(0xffffff23);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testSectionLengthTooBig');
})();
(function testFunctionsCountInvalidVarint() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
1, // section length
0 // number of types
);
bytes.push(
kFunctionSectionCode, // section id
1, // section length
0 // number of functions
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
);
// Functions count
bytes.push(0x80, 0x80, 0x80, 0x80, 0x80, 0x00);
let pos = bytes.length - 1 - 1;
testErrorPosition(bytes, pos, 'testFunctionsCountInvalidVarint');
})();
(function testFunctionsCountTooBig() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
1, // section length
0 // number of types
);
bytes.push(
kFunctionSectionCode, // section id
1, // section length
0 // number of functions
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
);
// Functions count
bytes.emit_u32v(0xffffff23);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testFunctionsCountTooBig');
})();
(function testFunctionsCountDoesNotMatch() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
1, // section length
0 // number of types
);
bytes.push(
kFunctionSectionCode, // section id
1, // section length
0 // number of functions
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
);
// Functions count (different than the count in the functions section.
bytes.emit_u32v(5);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testFunctionsCountDoesNotMatch');
})();
(function testBodySizeInvalidVarint() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
1 // functions count
);
// Invalid function body size.
bytes.push(0x80, 0x80, 0x80, 0x80, 0x80, 0x00);
let pos = bytes.length - 1 - 1;
testErrorPosition(bytes, pos, 'testBodySizeInvalidVarint');
})();
(function testBodySizeTooBig() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
1 // functions count
);
// Invalid function body size.
bytes.emit_u32v(0xffffff23);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testBodySizeTooBig');
})();
(function testBodySizeDoesNotFit() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
1 // functions count
);
// Invalid function body size (does not fit into the code section).
bytes.emit_u32v(20);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testBodySizeDoesNotFit');
})();
(function testBodySizeIsZero() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (arbitrary value > 6)
1 // functions count
);
// Invalid function body size (body size of 0 is invalid).
bytes.emit_u32v(0);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testBodySizeIsZero');
})();
(function testStaleCodeSectionBytes() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
20, // section length (too big)
1, // functions count
2, // body size
0, // locals count
kExprEnd // body
);
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testStaleCodeSectionBytes');
})();
(function testInvalidCode() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
6, // section length (too big)
1, // functions count
4, // body size
0, // locals count
kExprGetLocal, 0, // Access a non-existing local
kExprEnd // --
);
// Find error at the index of kExprGetLocal.
let pos = bytes.length - 1 - 1;
testErrorPosition(bytes, pos, 'testInvalidCode');
})();
(function testCodeSectionSizeZero() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
4, // section length
1, // number of types
kWasmFunctionTypeForm, // type
0, // number of parameter
0 // number of returns
);
bytes.push(
kFunctionSectionCode, // section id
2, // section length
1, // number of functions
0 // signature index
);
bytes.push(
kCodeSectionCode, // section id
0, // section length (too big)
);
// Find error at the index of kExprGetLocal.
let pos = bytes.length - 1;
testErrorPosition(bytes, pos, 'testCodeSectionSizeZero');
})();
(function testInvalidSection() {
let bytes = new Binary;
bytes.emit_header();
bytes.push(
kTypeSectionCode, // section id
5, // section length
1, // number of types
kWasmFunctionTypeForm, // type
1, // number of parameter
0x7b, // invalid type
0 // number of returns
);
let pos = bytes.length - 1 - 1;
testErrorPosition(bytes, pos, 'testInvalidSection');
})();