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|
Wrapping an exeptional operation in try {} catch {} allows handling the
resulting exception and to continue the execution flow.
-- Expect stdout --
Catched first exception.
Catched second exception: exception 2.
After exceptions.
-- End --
-- Testcase --
{%
// A try-catch block that discards the exception information.
try {
die("exception 1");
}
catch {
print("Catched first exception.\n");
}
// A try-catch block that captures the resulting exception in
// the given variable.
try {
die("exception 2");
}
catch (e) {
print("Catched second exception: ", e, ".\n");
}
print("After exceptions.\n");
%}
-- End --
Ensure that exceptions are propagated through C function calls.
-- Expect stderr --
exception
In [anonymous function](), line 3, byte 18:
called from function replace ([C])
called from anonymous function ([stdin]:4:3)
` die("exception");`
Near here -------------^
-- End --
-- Testcase --
{%
replace("test", "t", function(m) {
die("exception");
});
%}
-- End --
Ensure that exception can be catched through C function calls.
-- Expect stdout --
Caught exception: exception
-- End --
-- Testcase --
{%
try {
replace("test", "t", function(m) {
die("exception");
});
}
catch (e) {
print("Caught exception: ", e, "\n");
}
%}
-- End --
Ensure that exceptions are propagated through user function calls.
-- Expect stderr --
exception
In a(), line 3, byte 18:
called from function b ([stdin]:7:5)
called from function c ([stdin]:11:5)
called from anonymous function ([stdin]:14:4)
` die("exception");`
Near here -------------^
-- End --
-- Testcase --
{%
function a() {
die("exception");
}
function b() {
a();
}
function c() {
b();
}
c();
%}
-- End --
Ensure that exceptions can be caught in parent functions.
-- Expect stdout --
Caught exception: exception
-- End --
-- Testcase --
{%
function a() {
die("exception");
}
function b() {
a();
}
function c() {
try {
b();
}
catch (e) {
print("Caught exception: ", e, "\n");
}
}
c();
%}
-- End --
|
