diff options
Diffstat (limited to 'deps/v8/test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js')
-rw-r--r-- | deps/v8/test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js b/deps/v8/test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js new file mode 100644 index 0000000000..548ec97b7f --- /dev/null +++ b/deps/v8/test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js @@ -0,0 +1,107 @@ +// 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: --validate-asm + +var filename = '(?:[^ ]+/)?test/mjsunit/wasm/asm-wasm-exception-in-tonumber.js'; +filename = filename.replace(/\//g, '[/\\\\]'); + +function verifyStack(frames, expected) { + assertTrue(frames.length >= expected.length, 'too few frames'); + print('frames on detailed stack (' + frames.length + '):'); + frames.forEach((fr, i) => print('[' + i + '] ' + fr)); + expected.forEach(function(exp, i) { + assertEquals( + exp[0], frames[i].getFunctionName(), '[' + i + '].getFunctionName()'); + assertEquals( + exp[1], frames[i].getColumnNumber(), '[' + i + '].getColumnNumber()'); + }); +} + +function verifyPreformattedStack(e, expected_lines) { + print('preformatted stack: ' + e.stack); + var lines = e.stack.split('\n'); + assertTrue(lines.length >= expected_lines.length, 'too few lines'); + for (var i = 0; i < expected_lines.length; ++i) { + assertMatches(expected_lines[i], lines[i], 'line ' + i); + } +} + +function sym(return_sym) { + if (return_sym) return Symbol(); + throw Error("user-thrown"); +} + +function generateAsmJs(stdlib, foreign) { + 'use asm'; + var sym = foreign.sym; + function callSym(i) { + i=i|0; + return sym(i|0) | 0; + } + return callSym; +} + +function testHelper(use_asm_js, check_detailed, expected, input) { + if (check_detailed) { + Error.prepareStackTrace = (error, frames) => frames; + } else { + delete Error.prepareStackTrace; + } + + var fn_code = '(' + generateAsmJs.toString() + ')({}, {sym: sym})'; + if (!use_asm_js) fn_code = fn_code.replace('use asm', ''); + //print('executing:\n' + fn_code); + var asm_js_fn = eval(fn_code); + try { + asm_js_fn(input); + } catch (e) { + if (check_detailed) { + verifyStack(e.stack, expected); + } else { + verifyPreformattedStack(e, expected); + } + } +} + +function testAll(expected_stack, expected_frames, input) { + for (use_asm_js = 0; use_asm_js <= 1; ++use_asm_js) { + for (test_detailed = 0; test_detailed <= 1; ++test_detailed) { + print('\nConfig: asm ' + use_asm_js + '; detailed ' + test_detailed); + testHelper( + use_asm_js, test_detailed, + test_detailed ? expected_frames : expected_stack, input); + } + } +} + +(function testStackForThrowAtCall() { + var expected_stack = [ + '^Error: user-thrown$', + '^ *at sym \\(' + filename + ':\\d+:9\\)$', + '^ *at callSym \\(eval at testHelper \\(' + filename + + ':\\d+:19\\), <anonymous>:\\d+:12\\)$', + ]; + var expected_frames = [ + // function pos + [ "sym", 9], + [ "callSym", 12], + ]; + + testAll(expected_stack, expected_frames, 0); +})(); + +(function testStackForThrowAtConversion() { + var expected_stack = [ + '^TypeError: Cannot convert a Symbol value to a number$', + '^ *at callSym \\(eval at testHelper \\(' + filename + + ':\\d+:19\\), <anonymous>:\\d+:21\\)$', + ]; + var expected_frames = [ + // function pos + [ "callSym", 21], + ]; + + testAll(expected_stack, expected_frames, 1); +})(); |