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fix(NODE-3640): Fix Int32 constructor to coerce its argument to int32 #466

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merged 5 commits into from
Oct 25, 2021
Merged

fix(NODE-3640): Fix Int32 constructor to coerce its argument to int32 #466

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b35ca8c
(NODE-3640) Fix Int32 constructor to coerce its argument to int32
Oct 22, 2021
fb92619
(NODE-3640) fix test wording
Oct 22, 2021
cc3bf38
fix(NODE-3640): remove unsupported exponentiation operator from tests
Oct 22, 2021
5f63779
test: fix test wording for better understanding and change bounds to …
Oct 22, 2021
ea31010
test: fix wording and remove .only
Oct 25, 2021
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2 changes: 1 addition & 1 deletion src/int_32.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,7 @@ export class Int32 {
value = value.valueOf();
}

this.value = +value;
this.value = +value | 0;
}

/**
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28 changes: 26 additions & 2 deletions test/node/int_32_tests.js
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ describe('Int32', function () {
const hexValue = 0x2a;
const octalValue = 0o52;
const value = 42;
const upperBoundValue = 0x7fffffff;
const lowerBoundValue = -0x80000000;
const outOfUpperBoundValue = 0x10000000000;
const outOfLowerBoundValue = -0x10000000000;

it('Primitive number', function (done) {
expect(new Int32(value).valueOf()).to.equal(value);
Expand All @@ -35,6 +39,26 @@ describe('Int32', function () {
done();
});

it('Lower bound', function (done) {
expect(new Int32(lowerBoundValue).valueOf()).to.equal(lowerBoundValue);
done();
});

it('Upper bound', function (done) {
expect(new Int32(upperBoundValue).valueOf()).to.equal(upperBoundValue);
done();
});

it('Outside lower bound', function (done) {
expect(new Int32(outOfLowerBoundValue).valueOf()).to.equal(0);
done();
});

it('Outside upper bound', function (done) {
expect(new Int32(outOfUpperBoundValue).valueOf()).to.equal(0);
done();
});

it('should equal zero', function () {
const prop = 'key';
const zero = BSON.serialize({ [prop]: new Int32(0) }).toString();
Expand All @@ -58,7 +82,7 @@ describe('Int32', function () {

describe('toString', () => {
it('should serialize to a string', () => {
const testNumber = Math.floor(Math.random() * 0xffffffff);
const testNumber = 0x7fffffff;
const int32 = new Int32(testNumber);
expect(int32.toString()).to.equal(testNumber.toString());
});
Expand All @@ -67,7 +91,7 @@ describe('Int32', function () {

for (const radix of testRadices) {
it(`should support radix argument: ${radix}`, () => {
const testNumber = Math.floor(Math.random() * 0xffffffff);
const testNumber = 0x7fffffff;
const int32 = new Int32(testNumber);
expect(int32.toString(radix)).to.equal(testNumber.toString(radix));
});
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