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-rw-r--r--tests/api/test-bytecode.c643
1 files changed, 643 insertions, 0 deletions
diff --git a/tests/api/test-bytecode.c b/tests/api/test-bytecode.c
new file mode 100644
index 000000000000..7be48941eed9
--- /dev/null
+++ b/tests/api/test-bytecode.c
@@ -0,0 +1,643 @@
+/*
+ * test-bytecode.c
+ * Tests for the public libpkgconf bytecode API:
+ * pkgconf_bytecode_compile and pkgconf_bytecode_eval_str.
+ *
+ * SPDX-License-Identifier: pkgconf
+ *
+ * Copyright (c) 2025 pkgconf authors (see AUTHORS).
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * This software is provided 'as is' and without any warranty, express or
+ * implied. In no event shall the authors be liable for any damages arising
+ * from the use of this software.
+ */
+
+#include <libpkgconf/stdinc.h>
+#include <libpkgconf/libpkgconf.h>
+#include "test-api.h"
+
+/*
+ * Build a variable list with the given key/value pairs. Caller frees
+ * with pkgconf_variable_list_free().
+ *
+ * The key/value pairs are stored by compiling `value` as bytecode and
+ * stashing the result on a pkgconf_variable_t inside the list, which
+ * is how the parser builds variable scopes for real .pc files.
+ */
+static void
+seed_variable(pkgconf_list_t *vars, const char *key, const char *value)
+{
+ pkgconf_variable_t *v = pkgconf_variable_get_or_create(vars, key);
+ TEST_ASSERT_NONNULL(v);
+
+ pkgconf_buffer_reset(&v->bcbuf);
+ pkgconf_bytecode_compile(&v->bcbuf, value);
+ pkgconf_bytecode_from_buffer(&v->bc, &v->bcbuf);
+}
+
+static void
+test_emit_text_and_eval(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_t bc;
+ bool saw_sysroot = false;
+
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_text(&bcbuf, "plain", 5));
+ pkgconf_bytecode_from_buffer(&bc, &bcbuf);
+
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_eval(client, &vars, &bc, &out, &saw_sysroot));
+ TEST_ASSERT_STRCMP_EQ(pkgconf_buffer_str_or_empty(&out), "plain");
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_buffer_finalize(&bcbuf);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_emit_guards(void)
+{
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_text(&bcbuf, NULL, 5));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_text(&bcbuf, "x", 0));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_var(&bcbuf, NULL, 3));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_var(&bcbuf, "x", 0));
+
+ TEST_ASSERT_EQ(pkgconf_buffer_len(&bcbuf), 0);
+
+ pkgconf_buffer_finalize(&bcbuf);
+}
+
+static void
+test_emit_var_and_eval(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_t bc;
+ bool saw_sysroot = false;
+
+ seed_variable(&vars, "name", "world");
+
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_text(&bcbuf, "hello ", 6));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_var(&bcbuf, "name", 4));
+ pkgconf_bytecode_from_buffer(&bc, &bcbuf);
+
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_eval(client, &vars, &bc, &out, &saw_sysroot));
+ TEST_ASSERT_STRCMP_EQ(pkgconf_buffer_str_or_empty(&out), "hello world");
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_buffer_finalize(&bcbuf);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_emit_sysroot_and_eval(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_t bc;
+ bool saw_sysroot = false;
+
+ pkgconf_client_set_sysroot_dir(client, "/sysroot");
+
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_sysroot(&bcbuf));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_emit_text(&bcbuf, "/usr/include", 12));
+ pkgconf_bytecode_from_buffer(&bc, &bcbuf);
+
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_eval(client, &vars, &bc, &out, &saw_sysroot));
+ TEST_ASSERT_TRUE(saw_sysroot);
+ TEST_ASSERT_STRCMP_EQ(pkgconf_buffer_str_or_empty(&out), "/sysroot/usr/include");
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_buffer_finalize(&bcbuf);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_null_args(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_t bc = { NULL, 0 };
+
+ // NULL client, bc, or out all return false.
+ TEST_ASSERT_FALSE(pkgconf_bytecode_eval(NULL, &vars, &bc, &out, NULL));
+ TEST_ASSERT_FALSE(pkgconf_bytecode_eval(client, &vars, NULL, &out, NULL));
+ TEST_ASSERT_FALSE(pkgconf_bytecode_eval(client, &vars, &bc, NULL, NULL));
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_compile_null_args(void)
+{
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+
+ TEST_ASSERT_FALSE(pkgconf_bytecode_compile(NULL, "x"));
+ TEST_ASSERT_FALSE(pkgconf_bytecode_compile(&out, NULL));
+
+ pkgconf_buffer_finalize(&out);
+}
+
+static void
+test_dollar_escape(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // $$ collapses to a literal $; the following text is NOT treated as a variable reference
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "price: $$5 and $${notavar}", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "price: $5 and ${notavar}");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_malformed_unclosed(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // A ${ with no closing } is emitted as literal text
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "broken ${unclosed", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "broken ${unclosed");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_empty_braces(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // ${} has a zero-length name; it's emitted as literal text rather than treated as a variable
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "empty ${} here", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "empty ${} here");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_compile_time_sysroot(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ pkgconf_client_set_sysroot_dir(client, "/sysroot");
+
+ // ${pc_sysrootdir} is special-cased at compile time into an OP_SYSROOT op rather than a variable lookup
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${pc_sysrootdir}/usr/lib", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_TRUE(saw_sysroot);
+ TEST_ASSERT_STRCMP_EQ(out, "/sysroot/usr/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_sysroot_dot_disables(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // A sysroot of "." disables sysroot rewriting: ${pc_sysrootdir} expands to empty
+ pkgconf_client_set_sysroot_dir(client, ".");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${pc_sysrootdir}/usr/lib", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "/usr/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_sysroot_root_disables(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // A sysroot of "/" (the root dir) disables rewriting.
+ pkgconf_client_set_sysroot_dir(client, "/");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${pc_sysrootdir}/usr/lib", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "/usr/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_sysroot_trailing_slash_trimmed(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // Trailing slashes on the sysroot are normalized away, so the result doesn't get a doubled slash
+ pkgconf_client_set_sysroot_dir(client, "/sysroot///");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${pc_sysrootdir}/usr/lib", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_TRUE(saw_sysroot);
+ TEST_ASSERT_STRCMP_EQ(out, "/sysroot/usr/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_sysroot_normalizes_to_root_disables(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ /* A sysroot of "//" survives the bare-"/" early check but normalizes down to "/" after
+ * trailing-slash trimming, which then disables rewriting (empty sysroot) */
+ pkgconf_client_set_sysroot_dir(client, "//");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${pc_sysrootdir}/usr/lib", &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "/usr/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_circular_reference(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // A variable that references itself must not infinite-loop: the `expanding` guard breaks the cycle
+ seed_variable(&vars, "loop", "${loop}");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${loop}", &saw_sysroot);
+
+ /* The self-reference is broken; behavior is "expands to nothing further"
+ * We mostly care that it returns rather than hanging or crashing */
+ if (out != NULL)
+ free(out);
+
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_references_var(void)
+{
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+
+ pkgconf_bytecode_compile(&bcbuf, "-I${includedir} -L${libdir}");
+
+ TEST_ASSERT_TRUE(pkgconf_bytecode_references_var(&bcbuf, "includedir"));
+ TEST_ASSERT_TRUE(pkgconf_bytecode_references_var(&bcbuf, "libdir"));
+ TEST_ASSERT_FALSE(pkgconf_bytecode_references_var(&bcbuf, "prefix"));
+
+ TEST_ASSERT_FALSE(pkgconf_bytecode_references_var(NULL, "x"));
+ TEST_ASSERT_FALSE(pkgconf_bytecode_references_var(&bcbuf, NULL));
+
+ pkgconf_buffer_finalize(&bcbuf);
+}
+
+static void
+test_references_var_text_only(void)
+{
+ pkgconf_buffer_t bcbuf = PKGCONF_BUFFER_INITIALIZER;
+
+ pkgconf_bytecode_compile(&bcbuf, "just plain text");
+
+ TEST_ASSERT_FALSE(pkgconf_bytecode_references_var(&bcbuf, "anything"));
+
+ pkgconf_buffer_finalize(&bcbuf);
+}
+
+static void
+test_rewrite_selfrefs(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ pkgconf_buffer_t prev = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_compile(&prev, "old");
+
+ pkgconf_buffer_t rhs = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_compile(&rhs, "${foo} new");
+
+ pkgconf_buffer_t rewritten = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_rewrite_selfrefs(&rewritten, &rhs, "foo", &prev));
+
+ pkgconf_bytecode_t bc;
+ pkgconf_bytecode_from_buffer(&bc, &rewritten);
+
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_eval(client, &vars, &bc, &out, &saw_sysroot));
+ TEST_ASSERT_STRCMP_EQ(pkgconf_buffer_str_or_empty(&out), "old new");
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_buffer_finalize(&rewritten);
+ pkgconf_buffer_finalize(&rhs);
+ pkgconf_buffer_finalize(&prev);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_rewrite_selfrefs_no_match(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ pkgconf_buffer_t prev = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_compile(&prev, "PREV");
+
+ pkgconf_buffer_t rhs = PKGCONF_BUFFER_INITIALIZER;
+ pkgconf_bytecode_compile(&rhs, "${other} tail");
+
+ pkgconf_buffer_t rewritten = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_rewrite_selfrefs(&rewritten, &rhs, "foo", &prev));
+
+ // ${other} survives; seed it so eval can resolve it
+ seed_variable(&vars, "other", "OTHER");
+
+ pkgconf_bytecode_t bc;
+ pkgconf_bytecode_from_buffer(&bc, &rewritten);
+
+ pkgconf_buffer_t out = PKGCONF_BUFFER_INITIALIZER;
+ TEST_ASSERT_TRUE(pkgconf_bytecode_eval(client, &vars, &bc, &out, &saw_sysroot));
+ TEST_ASSERT_STRCMP_EQ(pkgconf_buffer_str_or_empty(&out), "OTHER tail");
+
+ pkgconf_buffer_finalize(&out);
+ pkgconf_buffer_finalize(&rewritten);
+ pkgconf_buffer_finalize(&rhs);
+ pkgconf_buffer_finalize(&prev);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_plain_text(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // A string with no variable references should round-trip unchanged.
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "plain text value", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "plain text value");
+ TEST_ASSERT_FALSE(saw_sysroot);
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_variable_substitution(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ seed_variable(&vars, "prefix", "/opt/foo");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${prefix}/lib", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "/opt/foo/lib");
+ TEST_ASSERT_FALSE(saw_sysroot);
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_nested_variables(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // Recursive expansion: libdir references prefix.
+ seed_variable(&vars, "prefix", "/usr/local");
+ seed_variable(&vars, "libdir", "${prefix}/lib");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "-L${libdir}", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "-L/usr/local/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_undefined_variable(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // Referencing an undefined variable should produce empty substitution, not failure
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "prefix=${nonexistent}/end", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "prefix=/end");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_multiple_variables(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ seed_variable(&vars, "prefix", "/usr");
+ seed_variable(&vars, "exec_prefix", "/usr/local");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "-I${prefix}/include -L${exec_prefix}/lib", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "-I/usr/include -L/usr/local/lib");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_empty_input(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "", &saw_sysroot);
+
+ // An empty input may evaluate to either NULL or an empty string
+ if (out != NULL)
+ {
+ TEST_ASSERT_STRCMP_EQ(out, "");
+ free(out);
+ }
+
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_eval_sysroot_detection(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ pkgconf_client_set_sysroot_dir(client, "/sysroot");
+
+ seed_variable(&vars, "pc_sysrootdir", "/sysroot");
+ seed_variable(&vars, "includedir", "${pc_sysrootdir}/usr/include");
+
+ char *out = pkgconf_bytecode_eval_str(client, &vars, "${includedir}", &saw_sysroot);
+
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_TRUE(saw_sysroot);
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+static void
+test_compile_produces_nonempty_buffer(void)
+{
+ pkgconf_buffer_t bc = PKGCONF_BUFFER_INITIALIZER;
+
+ pkgconf_bytecode_compile(&bc, "hello ${world}");
+
+ // The compiled bytecode buffer should be non-empty
+ TEST_ASSERT_NE(pkgconf_buffer_len(&bc), 0);
+
+ pkgconf_buffer_finalize(&bc);
+}
+
+static void
+test_compile_eval_roundtrip(void)
+{
+ pkgconf_client_t *client = test_client_new();
+ pkgconf_list_t vars = PKGCONF_LIST_INITIALIZER;
+ bool saw_sysroot = false;
+
+ // Compile directly, then evaluate via the bc field on a variable
+ seed_variable(&vars, "name", "world");
+
+ pkgconf_variable_t *v = pkgconf_variable_get_or_create(&vars, "greeting");
+ TEST_ASSERT_NONNULL(v);
+ pkgconf_buffer_reset(&v->bcbuf);
+ pkgconf_bytecode_compile(&v->bcbuf, "hello ${name}");
+ pkgconf_bytecode_from_buffer(&v->bc, &v->bcbuf);
+
+ char *out = pkgconf_variable_eval_str(client, &vars, v, &saw_sysroot);
+ TEST_ASSERT_NONNULL(out);
+ TEST_ASSERT_STRCMP_EQ(out, "hello world");
+
+ free(out);
+ pkgconf_variable_list_free(&vars);
+ pkgconf_client_free(client);
+}
+
+int
+main(int argc, char *argv[])
+{
+ (void) argc;
+ const char *basename = pkgconf_path_find_basename(argv[0]);
+
+ TEST_RUN(basename, test_eval_plain_text);
+ TEST_RUN(basename, test_eval_empty_input);
+ TEST_RUN(basename, test_eval_variable_substitution);
+ TEST_RUN(basename, test_eval_nested_variables);
+ TEST_RUN(basename, test_eval_multiple_variables);
+ TEST_RUN(basename, test_eval_undefined_variable);
+ TEST_RUN(basename, test_eval_sysroot_detection);
+ TEST_RUN(basename, test_eval_null_args);
+
+ TEST_RUN(basename, test_emit_guards);
+ TEST_RUN(basename, test_emit_text_and_eval);
+ TEST_RUN(basename, test_emit_var_and_eval);
+ TEST_RUN(basename, test_emit_sysroot_and_eval);
+
+ TEST_RUN(basename, test_dollar_escape);
+ TEST_RUN(basename, test_malformed_unclosed);
+ TEST_RUN(basename, test_empty_braces);
+
+ TEST_RUN(basename, test_circular_reference);
+ TEST_RUN(basename, test_references_var);
+ TEST_RUN(basename, test_references_var_text_only);
+
+ TEST_RUN(basename, test_compile_time_sysroot);
+ TEST_RUN(basename, test_sysroot_dot_disables);
+ TEST_RUN(basename, test_sysroot_root_disables);
+ TEST_RUN(basename, test_sysroot_trailing_slash_trimmed);
+ TEST_RUN(basename, test_sysroot_normalizes_to_root_disables);
+
+ TEST_RUN(basename, test_rewrite_selfrefs);
+ TEST_RUN(basename, test_rewrite_selfrefs_no_match);
+
+ TEST_RUN(basename, test_compile_eval_roundtrip);
+ TEST_RUN(basename, test_compile_produces_nonempty_buffer);
+ TEST_RUN(basename, test_compile_null_args);
+
+ return EXIT_SUCCESS;
+}