66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include "util/debug.h"
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| #include "util/expr.h"
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| #include "tests.h"
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| #include <stdlib.h>
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| 
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| static int test(struct parse_ctx *ctx, const char *e, double val2)
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| {
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| 	double val;
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| 
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| 	if (expr__parse(&val, ctx, &e))
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| 		TEST_ASSERT_VAL("parse test failed", 0);
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| 	TEST_ASSERT_VAL("unexpected value", val == val2);
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| 	return 0;
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| }
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| 
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| int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
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| {
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| 	const char *p;
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| 	const char **other;
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| 	double val;
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| 	int i, ret;
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| 	struct parse_ctx ctx;
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| 	int num_other;
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| 
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| 	expr__ctx_init(&ctx);
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| 	expr__add_id(&ctx, "FOO", 1);
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| 	expr__add_id(&ctx, "BAR", 2);
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| 
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| 	ret = test(&ctx, "1+1", 2);
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| 	ret |= test(&ctx, "FOO+BAR", 3);
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| 	ret |= test(&ctx, "(BAR/2)%2", 1);
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| 	ret |= test(&ctx, "1 - -4",  5);
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| 	ret |= test(&ctx, "(FOO-1)*2 + (BAR/2)%2 - -4",  5);
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| 	ret |= test(&ctx, "1-1 | 1", 1);
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| 	ret |= test(&ctx, "1-1 & 1", 0);
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| 	ret |= test(&ctx, "min(1,2) + 1", 2);
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| 	ret |= test(&ctx, "max(1,2) + 1", 3);
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| 	ret |= test(&ctx, "1+1 if 3*4 else 0", 2);
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| 
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| 	if (ret)
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| 		return ret;
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| 
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| 	p = "FOO/0";
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| 	ret = expr__parse(&val, &ctx, &p);
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| 	TEST_ASSERT_VAL("division by zero", ret == 1);
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| 
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| 	p = "BAR/";
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| 	ret = expr__parse(&val, &ctx, &p);
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| 	TEST_ASSERT_VAL("missing operand", ret == 1);
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| 
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| 	TEST_ASSERT_VAL("find other",
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| 			expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0);
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| 	TEST_ASSERT_VAL("find other", num_other == 3);
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| 	TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR"));
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| 	TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ"));
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| 	TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO"));
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| 	TEST_ASSERT_VAL("find other", other[3] == NULL);
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| 
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| 	for (i = 0; i < num_other; i++)
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| 		free((void *)other[i]);
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| 	free((void *)other);
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| 
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| 	return 0;
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| }
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