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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/tests/debug/Source-reparse.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/debug/Source-reparse.js')
-rw-r--r-- | js/src/jit-test/tests/debug/Source-reparse.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Source-reparse.js b/js/src/jit-test/tests/debug/Source-reparse.js new file mode 100644 index 0000000000..e12244d48f --- /dev/null +++ b/js/src/jit-test/tests/debug/Source-reparse.js @@ -0,0 +1,46 @@ +// reparsing a source should produce equivalent scripts and avoid invoking the +// onNewScript hook. + +const g = newGlobal({newCompartment: true}); +const dbg = new Debugger; +dbg.addDebuggee(g); + +let globalScript; +dbg.onNewScript = script => { globalScript = script }; + +// Leave `g()` on the first line so we can check that `columnNumber` is passed to the +// reparsed script (`columnNumber` is only used to offset breakpoint column on the first +// line of the script). +g.evaluate(`g(); +function f() { + for (var i = 0; i < 10; i++) { + g(); + } +} + +function g() { + return 3; +} + +f(); +`, { fileName: "foobar.js", lineNumber: 3, columnNumber: 42 }); + +let onNewScriptCalls = 0; +dbg.onNewScript = script => { onNewScriptCalls++; }; + +const reparsedScript = globalScript.source.reparse(); + +assertEq(onNewScriptCalls, 0); + +assertEq(reparsedScript.url, "foobar.js"); +assertEq(reparsedScript.startLine, 3); +assertEq(reparsedScript.startColumn, 42); + +// Test for the same breakpoint positions in the original and reparsed script. +function getBreakpointPositions(script) { + const offsets = script.getPossibleBreakpoints(); + const str = offsets.map(({ lineNumber, columnNumber }) => `${lineNumber}:${columnNumber}`).toString(); + const childPositions = script.getChildScripts().map(getBreakpointPositions); + return str + childPositions.toString(); +} +assertEq(getBreakpointPositions(globalScript), getBreakpointPositions(reparsedScript)); |