ac91af9a6a
* Moving towards chai.should. * Fixed failing tests. * Fixed linter errors. * Revert package-lock.json changes. * Fixed failing tests. * s/eq/equal * Addressed review comment
29 lines
970 B
JavaScript
29 lines
970 B
JavaScript
const should = require('chai')
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.should();
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async function expectThrow (promise, message) {
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try {
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await promise;
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} catch (error) {
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// Message is an optional parameter here
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if (message) {
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error.message.should.include(message, 'Expected \'' + message + '\', got \'' + error + '\' instead');
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return;
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} else {
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// TODO: Check jump destination to destinguish between a throw
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// and an actual invalid jump.
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// TODO: When we contract A calls contract B, and B throws, instead
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// of an 'invalid jump', we get an 'out of gas' error. How do
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// we distinguish this from an actual out of gas event? (The
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// ganache log actually show an 'invalid jump' event.)
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error.message.should.match(/[invalid opcode|out of gas|revert]/, 'Expected throw, got \'' + error + '\' instead');
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return;
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}
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}
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should.fail('Expected throw not received');
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}
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module.exports = {
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expectThrow,
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};
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