1 files changed, 93 insertions, 0 deletions
diff --git a/tests/core/cgo/cc_libs_linux_test.go b/tests/core/cgo/cc_libs_linux_test.go
new file mode 100644
index 00000000..204a8fcf
--- /dev/null
+++ b/tests/core/cgo/cc_libs_linux_test.go
@@ -0,0 +1,93 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cc_libs_test
+
+import (
+	"debug/elf"
+	"path"
+	"strings"
+	"testing"
+
+	"github.com/bazelbuild/rules_go/go/tools/bazel"
+)
+
+func TestBinaries(t *testing.T) {
+	for _, test := range []struct {
+		shortPath string
+		wantLibs  map[string]bool
+	}{
+		{
+			shortPath: "tests/core/cgo/pure_bin",
+			wantLibs:  map[string]bool{"libc": false, "libstdc++": false},
+		}, {
+			shortPath: "tests/core/cgo/c_srcs_bin",
+			wantLibs:  map[string]bool{"libc": true, "libstdc++": false},
+		}, {
+			shortPath: "tests/core/cgo/cc_srcs_bin",
+			wantLibs:  map[string]bool{"libc": true, "libstdc++": true},
+		}, {
+			shortPath: "tests/core/cgo/cc_deps_bin",
+			wantLibs:  map[string]bool{"libc": true, "libstdc++": true},
+		},
+	} {
+		t.Run(path.Base(test.shortPath), func(t *testing.T) {
+			libs, err := listLibs(test.shortPath)
+			if err != nil {
+				t.Fatal(err)
+			}
+			haveLibs := make(map[string]bool)
+			for _, lib := range libs {
+				haveLibs[lib] = true
+			}
+			for haveLib := range haveLibs {
+				if wantLib, ok := test.wantLibs[haveLib]; ok && !wantLib {
+					t.Errorf("unexpected dependency on library %q", haveLib)
+				}
+			}
+			for wantLib, want := range test.wantLibs {
+				if want && !haveLibs[wantLib] {
+					t.Errorf("wanted dependency on library %q", wantLib)
+				}
+			}
+
+			verifyNoCachePaths(t, test.shortPath)
+		})
+	}
+}
+
+func listLibs(shortPath string) ([]string, error) {
+	binPath, err := bazel.Runfile(shortPath)
+	if err != nil {
+		return nil, err
+	}
+	f, err := elf.Open(binPath)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+	libs, err := f.ImportedLibraries()
+	if err != nil {
+		return nil, err
+	}
+	for i := range libs {
+		if pos := strings.LastIndexByte(libs[i], '/'); pos >= 0 {
+			libs[i] = libs[i][pos+1:]
+		}
+		if pos := strings.IndexByte(libs[i], '.'); pos >= 0 {
+			libs[i] = libs[i][:pos]
+		}
+	}
+	return libs, nil
+}