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Add unit test

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This commit is contained in:
Ryan Cavanaugh 2016-06-13 14:43:19 -07:00
parent 29f5291453
commit 236351d4f0
1 changed files with 16 additions and 0 deletions
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16
tests/cases/unittests/reuseProgramStructure.ts
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@ -259,6 +259,22 @@ namespace ts {
assert.isTrue(!program_1.structureIsReused);
});
it("fails if change affects type references", () => {
const program_1 = newProgram(files, ["a.ts"], { types: ["a"] });
updateProgram(program_1, ["a.ts"], { types: ["b"] }, files => {
});
assert.isTrue(!program_1.structureIsReused);
});
it("succeeds if change doesn't affect type references", () => {
const program_1 = newProgram(files, ["a.ts"], { types: ["a"] });
updateProgram(program_1, ["a.ts"], { types: ["a"] },afiles => {
});
assert.isTrue(program_1.structureIsReused);
});
it("fails if change affects imports", () => {
const program_1 = newProgram(files, ["a.ts"], { target });
updateProgram(program_1, ["a.ts"], { target }, files => {