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Add tests for forEach block

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Florrie 2018-03-05 16:18:09 -04:00
parent 928df260ff
commit a03f45d1d7
1 changed files with 66 additions and 0 deletions
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66
test/unit/blocks_control.js
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@ -52,6 +52,72 @@ test('repeatUntil', t => {
t.end();
});
test('forEach', t => {
const rt = new Runtime();
const c = new Control(rt);
// for each (variable) in "abcd"
// ..should yield variable values "a", "b", "c", "d"
const variableValues = [];
const variable = {value: 0};
let value = 'abcd';
const util = {
stackFrame: Object.create(null),
target: {
lookupOrCreateVariable: function () {
return variable;
}
},
startBranch: function () {
variableValues.push(variable.value);
c.forEach({VARIABLE: {}, VALUE: value}, util);
}
};
c.forEach({VARIABLE: {}, VALUE: value}, util);
t.deepEqual(variableValues, ['a', 'b', 'c', 'd']);
// for each (variable) in "5"
// ..should yield variable values 1, 2, 3, 4, 5
util.stackFrame = Object.create(null);
variableValues.splice(0);
variable.value = 0;
value = '5';
c.forEach({VARIABLE: {}, VALUE: value}, util);
t.deepEqual(variableValues, [1, 2, 3, 4, 5]);
// for each (variable) in 4
// ..should yield variable values 1, 2, 3, 4
util.stackFrame = Object.create(null);
variableValues.splice(0);
variable.value = 0;
value = 4;
c.forEach({VARIABLE: {}, VALUE: value}, util);
t.deepEqual(variableValues, [1, 2, 3, 4]);
// for each (variable) in 10:
// if variable % 4 === 3:
// variable++
// ..should yield variable values 1, 2, 3, 5, 6, 7, 9, 10
// (this script skips multiples of 4)
util.stackFrame = Object.create(null);
variableValues.splice(0);
variable.value = 0;
value = 10;
util.startBranch = function () {
variableValues.push(variable.value);
if (variable.value % 4 === 3) {
variable.value++;
}
c.forEach({VARIABLE: {}, VALUE: value}, util);
};
c.forEach({VARIABLE: {}, VALUE: value}, util);
t.deepEquals(variableValues, [1, 2, 3, 5, 6, 7, 9, 10]);
t.end();
});
test('forever', t => {
const rt = new Runtime();
const c = new Control(rt);