139 lines
4.3 KiB
Go
139 lines
4.3 KiB
Go
// Copyright 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rust
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import (
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"strings"
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"testing"
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)
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func TestRustBindgen(t *testing.T) {
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t.Parallel()
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ctx := testRust(t, `
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rust_bindgen {
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name: "libbindgen",
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defaults: ["cc_defaults_flags"],
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wrapper_src: "src/any.h",
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crate_name: "bindgen",
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stem: "libbindgen",
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source_stem: "bindings",
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bindgen_flags: ["--bindgen-flag.*"],
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cflags: ["--clang-flag()"],
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shared_libs: ["libfoo_shared"],
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static_libs: ["libfoo_static"],
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}
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cc_library_shared {
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name: "libfoo_shared",
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export_include_dirs: ["shared_include"],
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}
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cc_library_static {
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name: "libfoo_static",
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export_include_dirs: ["static_include"],
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}
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cc_defaults {
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name: "cc_defaults_flags",
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cflags: ["--default-flag"],
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}
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`)
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libbindgen := ctx.ModuleForTests("libbindgen", "android_arm64_armv8-a_source").Output("bindings.rs")
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// Ensure that the flags are present and escaped
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if !strings.Contains(libbindgen.Args["flags"], "'--bindgen-flag.*'") {
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t.Errorf("missing bindgen flags in rust_bindgen rule: flags %#v", libbindgen.Args["flags"])
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}
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if !strings.Contains(libbindgen.Args["cflags"], "'--clang-flag()'") {
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t.Errorf("missing clang cflags in rust_bindgen rule: cflags %#v", libbindgen.Args["cflags"])
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}
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if !strings.Contains(libbindgen.Args["cflags"], "-Ishared_include") {
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t.Errorf("missing shared_libs exported includes in rust_bindgen rule: cflags %#v", libbindgen.Args["cflags"])
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}
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if !strings.Contains(libbindgen.Args["cflags"], "-Istatic_include") {
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t.Errorf("missing static_libs exported includes in rust_bindgen rule: cflags %#v", libbindgen.Args["cflags"])
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}
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if !strings.Contains(libbindgen.Args["cflags"], "--default-flag") {
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t.Errorf("rust_bindgen missing cflags defined in cc_defaults: cflags %#v", libbindgen.Args["cflags"])
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}
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}
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func TestRustBindgenCustomBindgen(t *testing.T) {
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t.Parallel()
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ctx := testRust(t, `
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rust_bindgen {
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name: "libbindgen",
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wrapper_src: "src/any.h",
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crate_name: "bindgen",
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stem: "libbindgen",
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source_stem: "bindings",
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custom_bindgen: "my_bindgen"
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}
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rust_binary_host {
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name: "my_bindgen",
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srcs: ["foo.rs"],
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}
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`)
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libbindgen := ctx.ModuleForTests("libbindgen", "android_arm64_armv8-a_source").Output("bindings.rs")
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// The rule description should contain the custom binary name rather than bindgen, so checking the description
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// should be sufficient.
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if !strings.Contains(libbindgen.Description, "my_bindgen") {
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t.Errorf("Custom bindgen binary %s not used for libbindgen: rule description %#v", "my_bindgen",
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libbindgen.Description)
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}
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}
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func TestRustBindgenStdVersions(t *testing.T) {
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testRustError(t, "c_std and cpp_std cannot both be defined at the same time.", `
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rust_bindgen {
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name: "libbindgen",
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wrapper_src: "src/any.h",
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crate_name: "bindgen",
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stem: "libbindgen",
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source_stem: "bindings",
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c_std: "somevalue",
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cpp_std: "somevalue",
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}
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`)
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ctx := testRust(t, `
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rust_bindgen {
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name: "libbindgen_cstd",
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wrapper_src: "src/any.h",
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crate_name: "bindgen",
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stem: "libbindgen",
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source_stem: "bindings",
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c_std: "foo"
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}
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rust_bindgen {
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name: "libbindgen_cppstd",
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wrapper_src: "src/any.h",
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crate_name: "bindgen",
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stem: "libbindgen",
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source_stem: "bindings",
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cpp_std: "foo"
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}
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`)
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libbindgen_cstd := ctx.ModuleForTests("libbindgen_cstd", "android_arm64_armv8-a_source").Output("bindings.rs")
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libbindgen_cppstd := ctx.ModuleForTests("libbindgen_cppstd", "android_arm64_armv8-a_source").Output("bindings.rs")
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if !strings.Contains(libbindgen_cstd.Args["cflags"], "-std=foo") {
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t.Errorf("c_std value not passed in to rust_bindgen as a clang flag")
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}
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if !strings.Contains(libbindgen_cppstd.Args["cflags"], "-std=foo") {
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t.Errorf("cpp_std value not passed in to rust_bindgen as a clang flag")
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}
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}
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