cmd/callgraph: add test of -algo=vta
This should have been included in
https://go-review.googlesource.com/c/tools/+/410138
Change-Id: Ic8a4f1b5dbcdb320fb872b24484b830dcb56fd41
Reviewed-on: https://go-review.googlesource.com/c/tools/+/410123
Run-TryBot: Alan Donovan <adonovan@google.com>
Reviewed-by: Tim King <taking@google.com>
gopls-CI: kokoro <noreply+kokoro@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Zvonimir Pavlinovic <zpavlinovic@google.com>
diff --git a/cmd/callgraph/main_test.go b/cmd/callgraph/main_test.go
index cd9838a..c8bee87 100644
--- a/cmd/callgraph/main_test.go
+++ b/cmd/callgraph/main_test.go
@@ -59,6 +59,12 @@
`pkg.main2 --> (pkg.C).f`,
`pkg.main2 --> (pkg.D).f`,
}},
+ {"vta", false, []string{
+ // vta distinguishes main->C, main2->D.
+ "pkg.main --> (pkg.C).f",
+ "pkg.main --> pkg.main2",
+ "pkg.main2 --> (pkg.D).f",
+ }},
{"pta", false, []string{
// pta distinguishes main->C, main2->D. Also has a root node.
`<root> --> pkg.init`,
@@ -75,6 +81,12 @@
`pkg.Example --> (pkg.C).f`,
`pkg.main --> (pkg.C).f`,
}},
+ {"vta", true, []string{
+ `pkg.test.main --> testing.MainStart`,
+ `testing.runExample --> pkg.Example`,
+ `pkg.Example --> (pkg.C).f`,
+ `pkg.main --> (pkg.C).f`,
+ }},
{"pta", true, []string{
`<root> --> pkg.test.main`,
`<root> --> pkg.main`,
@@ -95,13 +107,15 @@
for _, line := range strings.Split(fmt.Sprint(stdout), "\n") {
edges[line] = true
}
+ ok := true
for _, edge := range test.want {
if !edges[edge] {
+ ok = false
t.Errorf("callgraph(%q, %t): missing edge: %s",
test.algo, test.tests, edge)
}
}
- if t.Failed() {
+ if !ok {
t.Log("got:\n", stdout)
}
}
