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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/jit-test/etc/generate-nosuchproperty-tests.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/etc/generate-nosuchproperty-tests.js | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/js/src/jit-test/etc/generate-nosuchproperty-tests.js b/js/src/jit-test/etc/generate-nosuchproperty-tests.js new file mode 100644 index 0000000000..a0bb3e47db --- /dev/null +++ b/js/src/jit-test/etc/generate-nosuchproperty-tests.js @@ -0,0 +1,78 @@ + +// This code generates the test cases jit-test/tests/baseline/no-such-property-getprop.js +// +// In particular, it generates the testChain_<N>_<I>() and runChain_<N>_<I>() functions +// at the tail of the file. + +var TEST_CASE_FUNCS = []; +function runChain_NNNN_DDDD(obj) { + var sum = 0; + for (var i = 0; i < 100; i++) + sum += obj.foo; + return sum; +} +function testChain_NNNN_DDDD() { + var obj = createTower(NNNN); + assertEq(runChain_NNNN_DDDD(obj), NaN); + updateChain(obj, DDDD, 'foo', 9); + assertEq(runChain_NNNN_DDDD(obj), 900); +} +function generateTestCase(n, d) { + var runFuncName = "runChain_" + n + "_" + d; + var testFuncName = "testChain_" + n + "_" + d; + TEST_CASE_FUNCS.push(testFuncName); + + print("//// Test chain of length " + n + " with late-property-addition at depth " + d); + print(String(runChain_NNNN_DDDD).replace(/NNNN/g, ''+n).replace(/DDDD/g, ''+d)); + print(String(testChain_NNNN_DDDD).replace(/NNNN/g, ''+n).replace(/DDDD/g, ''+d)); + print(""); +} + +// Helper function to create an object with a proto-chain of length N. +function createTower(n) { + var result = Object.create(null); + for (var i = 0; i < n; i++) + result = Object.create(result); + return result; +} + +function updateChain(obj, depth, prop, value) { + // Walk down the proto chain |depth| iterations and set |prop| to |value|. + var cur = obj; + for (var i = 0; i < depth; i++) + cur = Object.getPrototypeOf(cur); + + var desc = {value:value, writable:true, configurable:true, enumerable:true}; + Object.defineProperty(cur, prop, desc); +} + +print("/////////////////////////////////////////"); +print("// This is a generated file!"); +print("// See jit-tests/etc/generate-nosuchproperty-tests.js for the code"); +print("// that generated this code!"); +print("/////////////////////////////////////////"); +print(""); +print("/////////////////////////////////////////"); +print("// PRELUDE //"); +print("/////////////////////////////////////////"); +print(""); +print(createTower); +print(updateChain); +print(""); +print("/////////////////////////////////////////"); +print("// TEST CASES //"); +print("/////////////////////////////////////////"); +print(""); +for (var n = 0; n <= 10; n++) { + for (var d = 0; d <= n; d++) { + generateTestCase(n, d); + } +} + +print(""); +print("/////////////////////////////////////////"); +print("// RUNNER //"); +print("/////////////////////////////////////////"); +print(""); +for (var i = 0; i < TEST_CASE_FUNCS.length; i++) + print(TEST_CASE_FUNCS[i] + "();"); |