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'use strict';
const common = require('../common');
const assert = require('assert');
const { createContext, runInContext, runInNewContext } = require('vm');
const WASM_BYTES = Buffer.from(
[0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00]);
function expectsError(fn, type) {
try {
fn();
assert.fail('expected fn to error');
} catch (err) {
if (typeof type === 'string')
assert.strictEqual(err.name, type);
else
assert(err instanceof type);
}
}
{
const ctx = createContext({ WASM_BYTES });
const test = 'eval(""); new WebAssembly.Module(WASM_BYTES);';
runInContext(test, ctx);
runInNewContext(test, { WASM_BYTES }, {
contextCodeGeneration: undefined,
});
}
{
const ctx = createContext({}, {
codeGeneration: {
strings: false,
},
});
const EvalError = runInContext('EvalError', ctx);
expectsError(() => {
runInContext('eval("x")', ctx);
}, EvalError);
}
{
const ctx = createContext({ WASM_BYTES }, {
codeGeneration: {
wasm: false,
},
});
const CompileError = runInContext('WebAssembly.CompileError', ctx);
expectsError(() => {
runInContext('new WebAssembly.Module(WASM_BYTES)', ctx);
}, CompileError);
}
expectsError(() => {
runInNewContext('eval("x")', {}, {
contextCodeGeneration: {
strings: false,
},
});
}, 'EvalError');
expectsError(() => {
runInNewContext('new WebAssembly.Module(WASM_BYTES)', { WASM_BYTES }, {
contextCodeGeneration: {
wasm: false,
},
});
}, 'CompileError');
common.expectsError(() => {
createContext({}, {
codeGeneration: {
strings: 0,
},
});
}, {
code: 'ERR_INVALID_ARG_TYPE',
});
common.expectsError(() => {
runInNewContext('eval("x")', {}, {
contextCodeGeneration: {
wasm: 1,
},
});
}, {
code: 'ERR_INVALID_ARG_TYPE'
});
common.expectsError(() => {
createContext({}, {
codeGeneration: 1,
});
}, {
code: 'ERR_INVALID_ARG_TYPE',
});
common.expectsError(() => {
createContext({}, {
codeGeneration: null,
});
}, {
code: 'ERR_INVALID_ARG_TYPE',
});
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