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Implement unit tests for the getRotationMatrix core utility function #21547

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Implement unit tests for the getRotationMatrix core utility function #21547

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15 changes: 15 additions & 0 deletions test/unit/core_utils_spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import {
escapeString,
getInheritableProperty,
getModificationDate,
getRotationMatrix,
getSizeInBytes,
isWhiteSpace,
numberToString,
Expand Down Expand Up @@ -566,6 +567,20 @@ describe("core_utils", function () {
});
});

describe("getRotationMatrix", function () {
it("should get a rotation matrix for valid rotation values", function () {
expect(getRotationMatrix(90, 10, 20)).toEqual([0, 1, -1, 0, 10, 0]);
expect(getRotationMatrix(180, 10, 20)).toEqual([-1, 0, 0, -1, 10, 20]);
expect(getRotationMatrix(270, 10, 20)).toEqual([0, -1, 1, 0, 0, 20]);
});

it("throws an exception for invalid rotation values", function () {
expect(() => getRotationMatrix(42, 10, 20)).toThrow(
new Error("Invalid rotation")
);
});
});

describe("getSizeInBytes", function () {
it("should get the size in bytes to use to represent a positive integer", function () {
expect(getSizeInBytes(0)).toEqual(0);
Expand Down