From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/debug/Frame-onStep-15.js | 43 ++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 js/src/jit-test/tests/debug/Frame-onStep-15.js (limited to 'js/src/jit-test/tests/debug/Frame-onStep-15.js') diff --git a/js/src/jit-test/tests/debug/Frame-onStep-15.js b/js/src/jit-test/tests/debug/Frame-onStep-15.js new file mode 100644 index 0000000000..819b0e4b6c --- /dev/null +++ b/js/src/jit-test/tests/debug/Frame-onStep-15.js @@ -0,0 +1,43 @@ +// Test how stepping interacts with for(;;) statements. + +let g = newGlobal({newCompartment: true}); + +// We want a for(;;) loop whose body is evaluated at least once, to +// see whether the loop head is hit a second time. +g.eval(`function f() { + let x = 0; + debugger; // +0 + for(;;) { // +1 + if (x++ == 1) break; // +2 + } // +3 + debugger; // +4 +}`); + +let dbg = Debugger(g); + +function test(s, expected) { + let result = ''; + + dbg.onDebuggerStatement = function(frame) { + // On the second debugger statement, we're done. + dbg.onDebuggerStatement = function(frame) { + frame.onStep = undefined; + }; + + let debugLine = frame.script.getOffsetLocation(frame.offset).lineNumber; + frame.onStep = function() { + // Only examine stops at entry points for the line. + let lineNo = this.script.getOffsetLocation(this.offset).lineNumber; + if (this.script.getLineOffsets(lineNo).indexOf(this.offset) < 0) { + return undefined; + } + + let delta = this.script.getOffsetLocation(this.offset).lineNumber - debugLine; + result += delta; + }; + }; + g.eval(s); + assertEq(result, expected); +} + +test('f()', '2124'); -- cgit v1.2.3