1 files changed, 57 insertions, 0 deletions
diff --git a/compiler_wrapper/libgcc_flags_test.go b/compiler_wrapper/libgcc_flags_test.go
new file mode 100644
index 00000000..717c0e52
--- /dev/null
+++ b/compiler_wrapper/libgcc_flags_test.go
@@ -0,0 +1,57 @@
+// Copyright 2021 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package main
+
+import (
+	"testing"
+)
+
+func TestDefaultStaticLibGCC(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		runWithCompiler := func(compiler string) {
+			cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+				ctx.newCommand(compiler, mainCc)))
+			if err := verifyArgCount(cmd, 1, "-static-libgcc"); err != nil {
+				t.Error(err)
+			}
+		}
+
+		runWithCompiler(gccX86_64)
+		runWithCompiler(clangX86_64)
+	})
+}
+
+func TestKeepStaticLibGCCWithUserArgs(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		runWithCompiler := func(compiler string) {
+			cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+				ctx.newCommand(compiler, "-static-libgcc", mainCc)))
+			if err := verifyArgOrder(cmd, "-static-libgcc", mainCc); err != nil {
+				t.Error(err)
+			}
+		}
+
+		runWithCompiler(gccX86_64)
+		runWithCompiler(clangX86_64)
+	})
+}
+
+func TestNoAddedStaticLibGCCWithSharedLibGCC(t *testing.T) {
+	withTestContext(t, func(ctx *testContext) {
+		runWithCompiler := func(compiler string) {
+			cmd := ctx.must(callCompiler(ctx, ctx.cfg,
+				ctx.newCommand(compiler, "-shared-libgcc", mainCc)))
+			if err := verifyArgCount(cmd, 0, "-static-libgcc"); err != nil {
+				t.Error(err)
+			}
+			if err := verifyArgCount(cmd, 1, "-shared-libgcc"); err != nil {
+				t.Error(err)
+			}
+		}
+
+		runWithCompiler(gccX86_64)
+		runWithCompiler(clangX86_64)
+	})
+}