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// Copyright 2019 The Android Open Source Project
//
// 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 rust
import (
"strings"
"testing"
)
// Test that variants are being generated correctly, and that crate-types are correct.
func TestLibraryVariants(t *testing.T) {
ctx := testRust(t, `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
// Test all variants are being built.
libfooRlib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_rlib").Output("libfoo.rlib")
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Output("libfoo.dylib.so")
libfooStatic := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_static").Output("libfoo.a")
libfooShared := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_shared").Output("libfoo.so")
rlibCrateType := "rlib"
dylibCrateType := "dylib"
sharedCrateType := "cdylib"
staticCrateType := "static"
// Test crate type for rlib is correct.
if !strings.Contains(libfooRlib.Args["rustcFlags"], "crate-type="+rlibCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", rlibCrateType, libfooRlib.Args["rustcFlags"])
}
// Test crate type for dylib is correct.
if !strings.Contains(libfooDylib.Args["rustcFlags"], "crate-type="+dylibCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", dylibCrateType, libfooDylib.Args["rustcFlags"])
}
// Test crate type for C static libraries is correct.
if !strings.Contains(libfooStatic.Args["rustcFlags"], "crate-type="+staticCrateType) {
t.Errorf("missing crate-type for static variant, expecting %#v, rustcFlags: %#v", staticCrateType, libfooStatic.Args["rustcFlags"])
}
// Test crate type for C shared libraries is correct.
if !strings.Contains(libfooShared.Args["rustcFlags"], "crate-type="+sharedCrateType) {
t.Errorf("missing crate-type for shared variant, expecting %#v, got rustcFlags: %#v", sharedCrateType, libfooShared.Args["rustcFlags"])
}
}
// Test that dylibs are not statically linking the standard library.
func TestDylibPreferDynamic(t *testing.T) {
ctx := testRust(t, `
rust_library_host_dylib {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfooDylib := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_dylib").Output("libfoo.dylib.so")
if !strings.Contains(libfooDylib.Args["rustcFlags"], "prefer-dynamic") {
t.Errorf("missing prefer-dynamic flag for libfoo dylib, rustcFlags: %#v", libfooDylib.Args["rustcFlags"])
}
}
func TestValidateLibraryStem(t *testing.T) {
testRustError(t, "crate_name must be defined.", `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
}`)
testRustError(t, "library crate_names must be alphanumeric with underscores allowed", `
rust_library_host {
name: "libfoo-bar",
srcs: ["foo.rs"],
crate_name: "foo-bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
stem: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
testRustError(t, "Invalid name or stem property; library filenames must start with lib<crate_name>", `
rust_library_host {
name: "foobar",
stem: "foo_bar",
srcs: ["foo.rs"],
crate_name: "foo_bar"
}`)
}
func TestSharedLibraryFlags(t *testing.T) {
ctx := testRust(t, `
rust_library_host {
name: "libfoo",
srcs: ["foo.rs"],
crate_name: "foo",
}`)
libfooShared := ctx.ModuleForTests("libfoo", "linux_glibc_x86_64_shared").Output("libfoo.so")
if !strings.Contains(libfooShared.Args["linkFlags"], "-Wl,-soname=libfoo.so") {
t.Errorf("missing expected -Wl,-soname linker flag for libfoo shared lib, linkFlags: %#v", libfooShared.Args["linkFlags"])
}
}
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