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test/link/wasm/export-data: update expected behavior

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Object being linked has neither functions nor globals named "foo" or
"bar" and so these names correctly fail to be exported when creating an
executable.
This commit is contained in:
Andrew Kelley
2025-01-14 20:52:44 -08:00
parent 50d053f31c
commit 42602dc96b
1 changed files with 9 additions and 33 deletions
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42
test/link/wasm/export-data/build.zig
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@@ -4,48 +4,24 @@ pub fn build(b: *std.Build) void {
const test_step = b.step("test", "Test");
b.default_step = test_step;
if (@import("builtin").os.tag == .windows) {
// TODO: Fix open handle in wasm-linker refraining rename from working on Windows.
return;
}
const lib = b.addExecutable(.{
.name = "lib",
.root_module = b.createModule(.{
.root_source_file = b.path("lib.zig"),
.optimize = .ReleaseSafe, // to make the output deterministic in address positions
.optimize = .Debug,
.target = b.resolveTargetQuery(.{ .cpu_arch = .wasm32, .os_tag = .freestanding }),
}),
});
lib.entry = .disabled;
lib.use_lld = false;
lib.root_module.export_symbol_names = &.{ "foo", "bar" };
lib.global_base = 0; // put data section at address 0 to make data symbols easier to parse
// Object being linked has neither functions nor globals named "foo" or "bar" and
// so these names correctly fail to be exported when creating an executable.
lib.expect_errors = .{ .exact = &.{
"error: manually specified export name 'foo' undefined",
"error: manually specified export name 'bar' undefined",
} };
_ = lib.getEmittedBin();
const check_lib = lib.checkObject();
check_lib.checkInHeaders();
check_lib.checkExact("Section global");
check_lib.checkExact("entries 3");
check_lib.checkExact("type i32"); // stack pointer so skip other fields
check_lib.checkExact("type i32");
check_lib.checkExact("mutable false");
check_lib.checkExtract("i32.const {foo_address}");
check_lib.checkExact("type i32");
check_lib.checkExact("mutable false");
check_lib.checkExtract("i32.const {bar_address}");
check_lib.checkComputeCompare("foo_address", .{ .op = .eq, .value = .{ .literal = 4 } });
check_lib.checkComputeCompare("bar_address", .{ .op = .eq, .value = .{ .literal = 0 } });
check_lib.checkInHeaders();
check_lib.checkExact("Section export");
check_lib.checkExact("entries 3");
check_lib.checkExact("name foo");
check_lib.checkExact("kind global");
check_lib.checkExact("index 1");
check_lib.checkExact("name bar");
check_lib.checkExact("kind global");
check_lib.checkExact("index 2");
test_step.dependOn(&check_lib.step);
test_step.dependOn(&lib.step);
}