authorgravatar for xavierb@gmail.comxavier <xavierb@gmail.com> 2021-05-03 08:50:47+02:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2021-11-15 16:15:39-07:00
log353c19468df02db925a7b147cabb398d7e63de68
tree44a88892e011455e4e728bd2d8e265b4977b9f31
parent33889e1974137a54d1a88b87f57462de2a7cc145

test: add a standalone test for mixing c, zig, threadlocal and build modes.

based on https://github.com/ziglang/zig/issues/8531

4 files changed, 78 insertions(+), 0 deletions(-)

test/standalone.zig+6
......@@ -13,6 +13,12 @@ pub fn addCases(cases: *tests.StandaloneContext) void {
1313 cases.addBuildFile("test/standalone/main_pkg_path/build.zig", .{});
1414 cases.addBuildFile("test/standalone/shared_library/build.zig", .{});
1515 cases.addBuildFile("test/standalone/mix_o_files/build.zig", .{});
16 if (std.Target.current.os.tag == .macos) {
17 // TODO zld cannot link llvm-ir object files for LTO yet.
18 cases.addBuildFile("test/standalone/mix_c_files/build.zig", .{ .build_modes = false, .cross_targets = true });
19 } else {
20 cases.addBuildFile("test/standalone/mix_c_files/build.zig", .{ .build_modes = true, .cross_targets = true });
21 }
1622 cases.addBuildFile("test/standalone/global_linkage/build.zig", .{});
1723 cases.addBuildFile("test/standalone/static_c_lib/build.zig", .{});
1824 cases.addBuildFile("test/standalone/link_interdependent_static_c_libs/build.zig", .{});
test/standalone/mix_c_files/build.zig created+34
......@@ -0,0 +1,34 @@
1const std = @import("std");
2const Builder = std.build.Builder;
3const CrossTarget = std.zig.CrossTarget;
4
5fn isUnpecifiedTarget(t: CrossTarget) bool {
6 return t.cpu_arch == null and t.abi == null and t.os_tag == null;
7}
8fn isRunnableTarget(t: CrossTarget) bool {
9 if (t.isNative()) return true;
10
11 return (t.getOsTag() == std.Target.current.os.tag and
12 t.getCpuArch() == std.Target.current.cpu.arch);
13}
14
15pub fn build(b: *Builder) void {
16 const mode = b.standardReleaseOptions();
17 const target = b.standardTargetOptions(.{});
18
19 const test_step = b.step("test", "Test the program");
20
21 const exe = b.addExecutable("test", "main.zig");
22 exe.addCSourceFile("test.c", &[_][]const u8{"-std=c11"});
23 exe.setBuildMode(mode);
24 exe.linkLibC();
25 exe.setTarget(target);
26 b.default_step.dependOn(&exe.step);
27
28 if (isRunnableTarget(target)) {
29 const run_cmd = exe.run();
30 test_step.dependOn(&run_cmd.step);
31 } else {
32 test_step.dependOn(&exe.step);
33 }
34}
test/standalone/mix_c_files/main.zig created+30
......@@ -0,0 +1,30 @@
1const std = @import("std");
2
3extern fn add_C(x: i32) i32;
4extern fn add_C_zig(x: i32) i32;
5extern threadlocal var C_k: c_int;
6
7export var zig_k: c_int = 1;
8export fn add_zig(x: i32) i32 {
9 return x + zig_k + C_k;
10}
11export fn add_may_panic(x: i32) i32 {
12 if (x < 0) @panic("negative int");
13 return x + zig_k;
14}
15
16pub fn main() anyerror!void {
17 var x: i32 = 0;
18 x = add_zig(x);
19 x = add_C(x);
20 x = add_C_zig(x);
21
22 C_k = 200;
23 zig_k = 2;
24 x = add_zig(x);
25 x = add_C(x);
26 x = add_C_zig(x);
27
28 const u = @intCast(u32, x);
29 try std.testing.expect(u / 100 == u % 100);
30}
test/standalone/mix_c_files/test.c created+8
......@@ -0,0 +1,8 @@
1
2extern int zig_k;
3extern int add_may_panic(int);
4
5_Thread_local int C_k = 100;
6int unused(int x) { return x*x; }
7int add_C(int x) { return x+zig_k+C_k; }
8int add_C_zig(int x) { return add_may_panic(x) + C_k; }