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182ec4395e
(The assertion depends on a per-package gensym counter whose value varies based on what else is in the package.) LGTM=khr R=khr, rsc CC=golang-codereviews https://golang.org/cl/169930043
37 lines
931 B
Go
37 lines
931 B
Go
package issue9026
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// This file appears in its own package since the assertion tests the
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// per-package counter used to create fresh identifiers.
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/*
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typedef struct {} git_merge_file_input;
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typedef struct {} git_merge_file_options;
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void git_merge_file(
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git_merge_file_input *in,
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git_merge_file_options *opts) {}
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*/
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import "C"
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import (
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"fmt"
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"testing"
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)
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func Test(t *testing.T) {
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var in C.git_merge_file_input
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var opts *C.git_merge_file_options
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C.git_merge_file(&in, opts)
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// Test that the generated type names are deterministic.
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// (Previously this would fail about 10% of the time.)
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//
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// Brittle: the assertion may fail spuriously when the algorithm
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// changes, but should remain stable otherwise.
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got := fmt.Sprintf("%T %T", in, opts)
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want := "issue9026._Ctype_struct___0 *issue9026._Ctype_struct___1"
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if got != want {
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t.Errorf("Non-deterministic type names: got %s, want %s", got, want)
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}
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}
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