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-rw-r--r--packages/sol-cov/test/instructions_test.ts22
1 files changed, 22 insertions, 0 deletions
diff --git a/packages/sol-cov/test/instructions_test.ts b/packages/sol-cov/test/instructions_test.ts
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+++ b/packages/sol-cov/test/instructions_test.ts
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+import * as chai from 'chai';
+import * as fs from 'fs';
+import 'mocha';
+import * as path from 'path';
+
+import { getPcToInstructionIndexMapping } from '../src/instructions';
+
+const expect = chai.expect;
+
+describe('instructions', () => {
+ describe('#getPcToInstructionIndexMapping', () => {
+ it('correctly maps pcs to instruction indexed', () => {
+ const PUSH1 = 0x60;
+ const PUSH2 = 0x61;
+ const TIMESTAMP = 0x42;
+ const bytecode = new Uint8Array([PUSH1, 42, PUSH2, 1, 2, TIMESTAMP]);
+ const pcToInstruction = getPcToInstructionIndexMapping(bytecode);
+ const expectedPcToInstruction = { '0': 0, '2': 1, '5': 2 };
+ expect(pcToInstruction).to.be.deep.equal(expectedPcToInstruction);
+ });
+ });
+});