summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/debug/Frame-eval-14.js
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/debug/Frame-eval-14.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/debug/Frame-eval-14.js')
-rw-r--r--js/src/jit-test/tests/debug/Frame-eval-14.js26
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Frame-eval-14.js b/js/src/jit-test/tests/debug/Frame-eval-14.js
new file mode 100644
index 000000000..0b341093f
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Frame-eval-14.js
@@ -0,0 +1,26 @@
+// Test the corner case of accessing an unaliased variable of a block
+// while the block is not live.
+
+var g = newGlobal();
+g.eval("function h() { debugger }");
+g.eval("function f() { { let x = 1, y; (function() { y = 0 })(); h() } }");
+g.eval("var surprise = null");
+
+var dbg = new Debugger;
+var gw = dbg.addDebuggee(g);
+dbg.onDebuggerStatement = function(hFrame) {
+ var fFrame = hFrame.older;
+ assertEq(fFrame.environment.getVariable('x'), 1);
+ assertEq(fFrame.environment.getVariable('y'), 0);
+ fFrame.eval("surprise = function() { return ++x }");
+ assertEq(gw.executeInGlobal("surprise()").return, 2);
+}
+g.f();
+assertEq(g.surprise !== null, true);
+
+// Either succeed or throw an error about 'x' not being live
+try {
+ assertEq(g.surprise(), 3);
+} catch (e) {
+ assertEq(e+'', 'Error: x is not live');
+}