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Diffstat (limited to 'js/src/jit-test/tests/coverage/simple.js')
| -rw-r--r-- | js/src/jit-test/tests/coverage/simple.js | 596 |
1 files changed, 596 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/coverage/simple.js b/js/src/jit-test/tests/coverage/simple.js new file mode 100644 index 0000000000..cdb8197201 --- /dev/null +++ b/js/src/jit-test/tests/coverage/simple.js @@ -0,0 +1,596 @@ +// |jit-test| --code-coverage + +// Currently the Jit integration has a few issues, let's keep this test +// case deterministic. +// +// - Baseline OSR increments the loop header twice. +// - Ion is not updating any counter yet. +// +if (getJitCompilerOptions()["ion.warmup.trigger"] != 30) + setJitCompilerOption("ion.warmup.trigger", 30); +if (getJitCompilerOptions()["baseline.warmup.trigger"] != 10) + setJitCompilerOption("baseline.warmup.trigger", 10); + +/* + * These test cases are annotated with the output produced by LCOV [1]. Comment + * starting with //<key> without any spaces are used as a reference for the code + * coverage output. Any "$" in these line comments are replaced by the current + * line number, and any "%" are replaced with the current function name (defined + * by the FN key). + * + * [1] http://ltp.sourceforge.net/coverage/lcov/geninfo.1.php + */ +function checkLcov(fun) { + var keys = [ "TN", "SF", "FN", "FNDA", "FNF", "FNH", "BRDA", "BRF", "BRH", "DA", "LF", "LH" ]; + function startsWithKey(s) { + for (k of keys) { + if (s.startsWith(k)) + return true; + } + return false; + }; + + // Extract the body of the function, as the code to be executed. + var source = fun.toString(); + source = source.slice(source.indexOf('{') + 1, source.lastIndexOf('}')); + + // Extract comment starting with the previous keys, as a reference of the + // output expected from getLcovInfo. + var lcovRef = []; + var currLine = 0; + var currFun = "<badfunction>"; + for (var line of source.split('\n')) { + currLine++; + for (var comment of line.split("//").slice(1)) { + if (!startsWithKey(comment)) + continue; + comment = comment.trim(); + if (comment.startsWith("FN:")) + currFun = comment.split(',')[1]; + comment = comment.replace('$', currLine); + comment = comment.replace('%', currFun); + lcovRef.push(comment); + } + } + + // Evaluate the code, and generate the Lcov result from the execution. + // Enabling LCov disables lazy parsing, as we rely on the ZoneCellIter to + // emulate the behaviour of the finalizer. + var g = newGlobal(); + g.eval(source); + var lcovResRaw = getLcovInfo(g); + + // Check that all the lines are present the result. + var lcovRes = lcovResRaw.split('\n'); + for (ref of lcovRef) { + if (lcovRes.indexOf(ref) == -1) { + print("Cannot find `" + ref + "` in the following Lcov result:\n", lcovResRaw); + print("In the following source:\n", source); + assertEq(true, false); + } + } +} + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + ",".split(','); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:1 + //LH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f() { //FN:$,f + ",".split(','); //DA:$,0 + } + ",".split(','); //DA:$,1 + //FNF:2 + //FNH:1 + //LF:2 + //LH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f() { //FN:$,f //FNDA:1,% + ",".split(','); //DA:$,1 + } + f(); //DA:$,1 + //FNF:2 + //FNH:2 + //LF:2 + //LH:2 +}); + +checkLcov(function () { ','.split(','); //FN:$,top-level //FNDA:1,% //DA:$,1 + //FNF:1 + //FNH:1 + //LF:1 + //LH:1 +}); + +checkLcov(function () { function f() { ','.split(','); } //FN:$,top-level //FNDA:1,% //FN:$,f //FNDA:1,f //DA:$,1 + f(); //DA:$,1 + //FNF:2 + //FNH:2 + //LF:2 + //LH:2 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + if (l.length == 3) //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 + l.push(''); //DA:$,0 + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:4 + //LH:3 + //BRF:2 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push(''); //DA:$,1 + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:4 + //LH:4 + //BRF:2 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + if (l.length == 3) //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 + l.push(''); //DA:$,0 + else + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:4 + //LH:3 + //BRF:2 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push(''); //DA:$,1 + else + l.pop(); //DA:$,0 + //FNF:1 + //FNH:1 + //LF:4 + //LH:3 + //BRF:2 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + if (l.length == 2) //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push(''); //DA:$,1 + else { + if (l.length == 1) //DA:$,0 //BRDA:$,1,0,- //BRDA:$,1,1,- + l.pop(); //DA:$,0 + } + //FNF:1 + //FNH:1 + //LF:5 + //LH:3 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f(i) { //FN:$,f //FNDA:2,% + var x = 0; //DA:$,2 + while (i--) { // Currently OSR wrongly count the loop header twice. + // So instead of DA:$,12 , we have DA:$,13 . + x += i; //DA:$,10 + x = x / 2; //DA:$,10 + } + return x; //DA:$,2 + //BRF:2 + //BRH:2 + } + + f(5); //DA:$,1 + f(5); //DA:$,1 + //FNF:2 + //FNH:2 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + try { //DA:$,1 + var l = ",".split(','); //DA:$,1 + if (l.length == 2) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push(''); //DA:$,1 + throw l; //DA:$,1 + } + l.pop(); //DA:$,0 + } catch (x) { //DA:$,1 + x.pop(); //DA:$,1 + } + //FNF:1 + //FNH:1 + //LF:8 + //LH:7 + //BRF:2 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + try { //DA:$,1 + try { //DA:$,1 + if (l.length == 2) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push(''); //DA:$,1 + throw l; //DA:$,1 + } + l.pop(); //DA:$,0 + } finally { //DA:$,1 + l.pop(); //DA:$,1 + } + } catch (x) { //DA:$,1 + } + //FNF:1 + //FNH:1 + //LF:10 + //LH:9 + //BRF:4 + //BRH:2 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f() { //FN:$,f //FNDA:1,% + throw 1; //DA:$,1 + f(); //DA:$,0 + } + var l = ",".split(','); //DA:$,1 + try { //DA:$,1 + f(); //DA:$,1 + f(); //DA:$,0 + } catch (x) { //DA:$,1 + } + //FNF:2 + //FNH:2 + //LF:7 + //LH:5 + //BRF:0 + //BRH:0 +}); + +// Test TableSwitch opcode +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0 + case 0: + l.push('0'); //DA:$,0 + break; + case 1: + l.push('1'); //DA:$,0 + break; + case 2: + l.push('2'); //DA:$,1 + break; + case 3: + l.push('3'); //DA:$,0 + break; + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:4 + //BRF:5 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + l.push('1'); //DA:$,0 + case 2: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:5 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + // Branches are ordered, and starting at 0 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 //BRDA:$,0,2,0 //BRDA:$,0,3,0 //BRDA:$,0,4,0 + case 5: + l.push('5'); //DA:$,0 + case 4: + l.push('4'); //DA:$,0 + case 3: + l.push('3'); //DA:$,0 + case 2: + l.push('2'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:4 + //BRF:5 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 //BRDA:$,0,2,0 + case 2: + l.push('2'); //DA:$,1 + case 5: + l.push('5'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:5 + //LH:5 + //BRF:3 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 //BRDA:$,0,2,0 + case 3: + l.push('1'); //DA:$,0 + case 5: + l.push('5'); //DA:$,0 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:5 + //LH:3 + //BRF:3 + //BRH:1 +}); + +// Unfortunately the differences between switch implementations leaks in the +// code coverage reports. +checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f(a) { //FN:$,f //FNDA:2,% + return a; //DA:$,2 + } + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 + case f(-42): //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 + l.push('1'); //DA:$,0 + case f(51): //DA:$,1 //BRDA:$,1,0,0 //BRDA:$,1,1,1 + l.push('5'); //DA:$,0 + } + l.pop(); //DA:$,1 + //FNF:2 + //FNH:2 + //LF:8 + //LH:6 + //BRF:4 + //BRH:2 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,1 //BRDA:$,0,2,0 //BRDA:$,0,3,0 + case 0: + case 1: + l.push('0'); //DA:$,0 + l.push('1'); //DA:$,0 + case 2: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + l.push('1'); //DA:$,0 + case 2: + case 3: + l.push('2'); //DA:$,1 + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + default: + l.push('1'); //DA:$,0 + case 2: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + l.push('1'); //DA:$,0 + default: + case 2: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 //BRDA:$,0,4,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + l.push('1'); //DA:$,0 + default: + l.push('default'); //DA:$,0 + case 2: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:8 + //LH:5 + //BRF:5 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ",".split(','); //DA:$,1 + switch (l.length) { //DA:$,1 //BRDA:$,0,0,0 //BRDA:$,0,1,0 //BRDA:$,0,2,1 //BRDA:$,0,3,0 + case 0: + l.push('0'); //DA:$,0 + case 1: + l.push('1'); //DA:$,0 + default: + l.push('2'); //DA:$,1 + case 3: + l.push('3'); //DA:$,1 + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:7 + //LH:5 + //BRF:4 + //BRH:1 +}); + +checkLcov(function () { //FN:$,top-level //FNDA:1,% + var l = ','.split(','); //DA:$,1 + if (l.length === 45) { //DA:$,1 //BRDA:$,0,0,1 //BRDA:$,0,1,0 + switch (l[0]) { //DA:$,0 //BRDA:$,1,0,- //BRDA:$,1,1,- + case ',': + l.push('0'); //DA:$,0 + default: + l.push('1'); //DA:$,0 + } + } + l.pop(); //DA:$,1 + //FNF:1 + //FNH:1 + //LF:6 + //LH:3 + //BRF:4 + //BRH:1 +}); + +// These tests are not included in ../debug/Script-getOffsetsCoverage-01.js +// because we're specifically testing a feature of Lcov output that +// Debugger.Script doesn't have (the aggregation of hits that are on the +// same line but in different functions). +{ + checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f() { return 0; } var l = f(); //DA:$,2 + //FNF:2 + //FNH:2 + //LF:1 + //LH:1 + }); + + // A single line has two functions on it, and both hit. + checkLcov(function () { //FN:$,top-level //FNDA:1,% + function f() { return 0; } function g() { return 1; } //DA:$,2 + var v = f() + g(); //DA:$,1 + //FNF:3 + //FNH:3 + //LF:2 + //LH:2 + }); + + // A line has both function code and toplevel code, and only one of them hits. + checkLcov(function () { //FN:$,top-level //FNDA:1,% + if (1 === 2) //DA:$,1 + throw "0 hits here"; function f() { return "1 hit here"; } //DA:$,1 + f(); //DA:$,1 + //FNF:2 + //FNH:2 + //LF:3 + //LH:3 + }); +} + +// These tests are not included in ../debug/Script-getOffsetsCoverage-01.js +// because they are testing behaviour of --code-coverage. +{ + // Test function names + checkLcov(function () { + //FN:1,top-level + //FNDA:1,top-level + + var x = function() {}; //FN:$,x + let y = function() {}; //FN:$,y + + let z = { + z_method() { }, //FN:$,z_method + get z_prop() { }, //FN:$,get z_prop + } + }); +} + +// If you add a test case here, do the same in +// jit-test/tests/debug/Script-getOffsetsCoverage-01.js |