add simple tests to make sure profilers can be invoked

(and have an actual effect)

t/09-moar/01-profilers.t

@@ -0,0 +1,39 @@
+use lib <t/packages/>;
+use Test;
+use Test::Helpers;
+
+plan 12;
+
+my $tempdir = make-temp-dir;
+
+my $htmlpath = $tempdir.child("profile.html").absolute;
+
+is-run "", "can launch with profiling requested", compiler-args => ["--profile=$htmlpath"],
+    err => / "profiler output" .*? "$htmlpath" /;
+
+ok $htmlpath.IO.f, "profiler html output file exists on disk";
+ok (try $htmlpath.IO.s > 128), "profiler html output file isn't tiny";
+
+my $jsonpath = $tempdir.child("profile.json").absolute;
+
+is-run "", "can launch with profiling requested", compiler-args => ["--profile=$jsonpath"],
+    err => / "profiler output" .*? "$jsonpath" /;
+
+ok $jsonpath.IO.f, "profiler json output file exists on disk";
+ok (try $jsonpath.IO.s) > 128, "profiler json output file isn't tiny";
+
+my $sqlpath = $tempdir.child("profile.sql").absolute;
+
+is-run "", "can launch with profiling requested", compiler-args => ["--profile=$sqlpath"],
+    err => / "profiler output" .*? "$sqlpath" /;
+
+ok $sqlpath.IO.f, "profiler sql output file exists on disk";
+ok (try $sqlpath.IO.s) > 128, "profiler sql output file isn't tiny";
+
+my $heappath = $tempdir.child("profile.mvmheap").absolute;
+
+is-run "", "can launch with profiling requested", compiler-args => ["--profile=$heappath"],
+    err => / "snapshot" .*? "$heappath" /;
+
+ok $heappath.IO.f, "profiler heap output file exists on disk";
+ok (try $heappath.IO.s) > 128, "profiler heap output file isn't tiny";