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Test coverage for MatchersUtil#equals with typed arrays

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This commit is contained in:
Steve Gravrock
2021-06-05 09:30:21 -07:00
parent f2de1be96a
commit 6aecf16cde
1 changed files with 138 additions and 0 deletions
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138
spec/core/matchers/matchersUtilSpec.js
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@@ -904,6 +904,144 @@ describe('matchersUtil', function() {
);
});
describe('Typed arrays', function() {
it('fails for typed arrays of same length and contents but different types', function() {
jasmine.getEnv().requireFunctioningTypedArrays();
// eslint-disable-next-line compat/compat
var a1 = new Int8Array(1);
// eslint-disable-next-line compat/compat
var a2 = new Uint8Array(1);
a1[0] = a2[0] = 0;
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
});
// eslint-disable-next-line compat/compat
[
Int8Array,
Uint8Array,
Uint8ClampedArray,
Int16Array,
Uint16Array,
Int32Array,
Uint32Array,
Float32Array,
Float64Array
].forEach(function(TypedArrayCtor) {
it(
'passes for ' +
TypedArrayCtor.name +
's with same length and content',
function() {
jasmine.getEnv().requireFunctioningTypedArrays();
var a1 = new TypedArrayCtor(2);
var a2 = new TypedArrayCtor(2);
a1[0] = a2[0] = 0;
a1[1] = a2[1] = 1;
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(true);
}
);
it(
'fails for ' + TypedArrayCtor.name + 's with different length',
function() {
jasmine.getEnv().requireFunctioningTypedArrays();
var a1 = new TypedArrayCtor(2);
var a2 = new TypedArrayCtor(1);
a1[0] = a1[1] = a2[0] = 0;
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
}
);
it(
'fails for ' +
TypedArrayCtor.name +
's with same length but different content',
function() {
jasmine.getEnv().requireFunctioningTypedArrays();
var a1 = new TypedArrayCtor(1);
var a2 = new TypedArrayCtor(1);
a1[0] = 0;
a2[0] = 1;
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
}
);
it('checks nonstandard properties', function() {
jasmine.getEnv().requireFunctioningTypedArrays();
var a1 = new TypedArrayCtor(1);
var a2 = new TypedArrayCtor(1);
a1[0] = a2[0] = 0;
a1.extra = 'yes';
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
});
it('works with custom equality testers', function() {
jasmine.getEnv().requireFunctioningTypedArrays();
var a1 = new TypedArrayCtor(1);
var a2 = new TypedArrayCtor(1);
var matchersUtil = new jasmineUnderTest.MatchersUtil({
customTesters: [
function() {
return true;
}
]
});
a1[0] = 0;
a2[0] = 1;
expect(matchersUtil.equals(a1, a2)).toBe(true);
});
});
['BigInt64Array', 'BigUint64Array'].forEach(function(typeName) {
function requireType() {
var TypedArrayCtor = jasmine.getGlobal()[typeName];
if (!TypedArrayCtor) {
pending('Browser does not support ' + typeName);
}
return TypedArrayCtor;
}
it(
'passes for ' + typeName + 's with same length and content',
function() {
var TypedArrayCtor = requireType();
var a1 = new TypedArrayCtor(2);
var a2 = new TypedArrayCtor(2);
// eslint-disable-next-line compat/compat
a1[0] = a2[0] = BigInt(0);
// eslint-disable-next-line compat/compat
a1[1] = a2[1] = BigInt(1);
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(true);
}
);
it('fails for ' + typeName + 's with different length', function() {
var TypedArrayCtor = requireType();
var a1 = new TypedArrayCtor(2);
var a2 = new TypedArrayCtor(1);
// eslint-disable-next-line compat/compat
a1[0] = a1[1] = a2[0] = BigInt(0);
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
});
it(
'fails for ' + typeName + 's with same length but different content',
function() {
var TypedArrayCtor = requireType();
var a1 = new TypedArrayCtor(2);
var a2 = new TypedArrayCtor(2);
// eslint-disable-next-line compat/compat
a1[0] = a1[1] = a2[0] = BigInt(0);
// eslint-disable-next-line compat/compat
a2[1] = BigInt(1);
expect(jasmineUnderTest.matchersUtil.equals(a1, a2)).toBe(false);
}
);
});
});
describe('when running in an environment with array polyfills', function() {
var findIndexDescriptor = Object.getOwnPropertyDescriptor(
Array.prototype,