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61 lines
2.1 KiB
61 lines
2.1 KiB
'use strict'
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var tape = require('tape')
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var AstWalker = require('../src/astWalker')
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var node = require('./resources/ast')
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tape('ASTWalker', function (t) {
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t.test('ASTWalker.walk', function (st) {
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st.plan(24)
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var astwalker = new AstWalker()
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astwalker.walk(node.ast.legacyAST, function (node) {
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if (node.name === 'ContractDefinition') {
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checkContract(st, node)
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}
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if (node.name === 'FunctionDefinition') {
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checkSetFunction(st, node)
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}
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return true
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})
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var callback = {}
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callback.FunctionDefinition = function (node) {
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st.equal(node.name, 'FunctionDefinition')
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st.equal(node.attributes.name === 'set' || node.attributes.name === 'get', true)
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return true
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}
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astwalker.walk(node.ast.legacyAST, callback)
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})
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})
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function checkContract (st, node) {
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st.equal(node.attributes.name, 'test')
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st.equal(node.children[0].attributes.name, 'x')
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st.equal(node.children[0].attributes.type, 'int256')
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st.equal(node.children[1].attributes.name, 'y')
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st.equal(node.children[1].attributes.type, 'int256')
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st.equal(node.children[2].name, 'FunctionDefinition')
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st.equal(node.children[2].attributes.constant, false)
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st.equal(node.children[2].attributes.name, 'set')
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st.equal(node.children[2].attributes.public, true)
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}
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function checkSetFunction (st, node) {
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if (node.attributes.name === 'set') {
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st.equal(node.children[0].name, 'ParameterList')
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st.equal(node.children[1].name, 'ParameterList')
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st.equal(node.children[2].name, 'Block')
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st.equal(node.children[2].children[1].name, 'ExpressionStatement')
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checkExpressionStatement(st, node.children[2].children[0])
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}
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}
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function checkExpressionStatement (st, node) {
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st.equal(node.children[0].name, 'Assignment')
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st.equal(node.children[0].attributes.operator, '=')
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st.equal(node.children[0].attributes.type, 'int256')
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st.equal(node.children[0].children[0].name, 'Identifier')
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st.equal(node.children[0].children[0].attributes.value, 'x')
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st.equal(node.children[0].children[1].name, 'Identifier')
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st.equal(node.children[0].children[1].attributes.value, '_x')
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}
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